10 in	the
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      5 can	be
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      4 the	coronavirus
      4 to	the
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      3 worn	to
      2 *	(BUTTON)
      2 *	Illustration:
      2 *	U.S.
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      2 Models	Zeynep
      2 Others	James
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      2 Reading	*
      2 Recommended	Reading
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      2 We	Are
      2 Why	Some
      2 Zeynep	Tufekci
      2 a	Failed
      2 a	better
      2 a	chart
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      2 and	in
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      2 cases	and
      2 chance	of
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      2 conflation	of
      2 confusion	around
      2 coronavirus	in
      2 days	of
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      2 deaths	per
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      2 eventually	benefits
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      2 have	a
      2 have	more
      2 if	they
      2 in	front
      2 infected	by
      2 infected	person
      2 is	a
      2 know	for
      2 labeled	“Goals
      2 lower	the
      2 masks	are
      2 masks	can
      2 masks	stems
      2 medical	workers
      2 more	than
      2 new	cases
      2 of	Community
      2 of	mask-wearing
      2 of	masks
      2 of	our
      2 of	people
      2 of	these
      2 of	two
      2 on	an
      2 on	and
      2 or	sneeze.
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      2 people	have
      2 percent	of
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      2 showing	projected
      2 since	the
      2 source	control
      2 spread	of
      2 stand	We
      2 stands	in
      2 stems	from
      2 that	has
      2 the	COVID-19
      2 the	Czech
      2 the	United
      2 the	conflation
      2 the	confusion
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      2 the	wearer.
      2 their	use
      2 this	pandemic
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      2 to	catch
      2 to	make
      2 to	others,
      2 to	protect
      2 transmission	of
      2 transmission	to
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      2 very	different
      2 virus	particles
      2 we	could
      2 wear	masks
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      2 “Goals	of
      1 #The	Atlantic
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      1 (BUTTON)	Search
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      1 *	*
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      1 *	Latest
      1 *	Popular
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      1 *	Subscribe
      1 +	Books
      1 +	Business
      1 +	Crossword
      1 +	Culture
      1 +	Dear
      1 +	Education
      1 +	Events
      1 +	Family
      1 +	Fiction
      1 +	Global
      1 +	Health
      1 +	Ideas
      1 +	Manage
      1 +	Newsletters
      1 +	Photo
      1 +	Planet
      1 +	Podcasts
      1 +	Politics
      1 +	Projects
      1 +	Science
      1 +	Technology
      1 1.0,	that
      1 1.0,	the
      1 1.0.	The
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      1 April	still
      1 Atlantic	Best
      1 Atlantic	Crossword
      1 Atlantic	Skip
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      1 Books	+
      1 Business	+
      1 But	masks
      1 But	ordinary
      1 But	the
      1 COVID-19	has
      1 COVID-19	have
      1 COVID-19	numbers
      1 COVID-19’s	rate,
      1 Crossword	Play
      1 Crossword	Puzzle
      1 Crossword	The
      1 Culture	+
      1 Czech	Republic,
      1 Czech	Republic.
      1 Dear	Therapist
      1 Edition	the
      1 Education	+
      1 Events	+
      1 Every	infectious
      1 Everyone	thinks
      1 Face	masks
      1 Family	+
      1 February,	while
      1 Fewer	virus
      1 Fiction	+
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      1 Gift	*
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      1 Health	+
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      1 Historically,	much
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      1 Israel,	Singapore,
      1 IssuePast	Issues
      1 Issues	______________________________________________________________
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      1 Jeremy	Howard,
      1 Kong,	only
      1 Kong,	where
      1 Kong’s	health
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      1 Many	people
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      1 Mask	Much
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      1 N95s,	to
      1 Navigation	*
      1 Newsletters	The
      1 Obviously,	society-wide
      1 Of	course,
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      1 Photo	+
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      1 Play	Crossword
      1 Plus,	our
      1 Podcasts	+
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      1 PopularLatest	Sections
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      1 Puzzle	+
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      1 Read:	What
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      1 Republic.	Mask
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      1 Science	+
      1 Search	Quick
      1 Search	The
      1 Sections	+
      1 Sign	In
      1 Similarly,	Taiwan
      1 Singapore,	and
      1 Site	Navigation
      1 Skip	to
      1 Sneezing	is
      1 Spencer	Platt/Getty
      1 Submit	Search
      1 Subscribe	Health
      1 Subscription	(BUTTON)
      1 Taiwan	ramped
      1 Technology	+
      1 That’s	enough
      1 That’s	when
      1 That’s	why
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      1 The	Print
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      1 Zeynep	Tufekci,
      1 ____________________	Submit
      1 ______________________________________________________________	Give
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      1 a	challenge
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      1 a	cotton
      1 a	disease.
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      1 a	range
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      1 a	vaccine
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      1 adopted	widespread
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      1 after	we’ve
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      1 all	cars,
      1 all	contribute
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      1 all	less
      1 all	of
      1 all	the
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      1 alone.	COVID-19
      1 already	have
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      1 amazing.	Read:
      1 an	R
      1 an	R[0]
      1 an	academic
      1 an	effective
      1 and	Trisha
      1 and	careful
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      1 and	death
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      1 and	masks,
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      1 and	we’re
      1 and	what
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      1 another,	the
      1 any	illness.
      1 any	symptoms—and
      1 are	60
      1 are	also
      1 are	because
      1 are	flat
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      1 are	in
      1 are	infected
      1 are	infected,
      1 are	not
      1 are	sufficient
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      1 as	possible.
      1 as	safely
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      1 at	only
      1 at	protecting
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      1 authorities	credit
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      1 average	infected
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      1 avoiding	infection,
      1 awareness	of
      1 back	to
      1 basic	reproduction
      1 be	a
      1 be	accomplished
      1 be	amazing.
      1 be	burned.
      1 be	considering
      1 be	installed
      1 be	overwhelmed,
      1 be	reflected
      1 became	ubiquitous.
      1 because	fewer
      1 because	of
      1 because	people
      1 because	they
      1 because	we
      1 become	overtly
      1 becomes	very
      1 becoming	tiny
      1 been	conducted
      1 been	directed
      1 been	hard
      1 been	open
      1 been	recorded
      1 been	reduced
      1 been	widely
      1 before	they
      1 beginning	of
      1 being	infected
      1 being	sent
      1 below	1.0,
      1 below	indicates
      1 benefits	everyone—but
      1 benefits	the
      1 benefits.	Fewer
      1 better	protect
      1 better	understand
      1 between	ingress
      1 blazes	to
      1 blocking	transmission
      1 blocking	transmission;
      1 blue	area
      1 breathe	out
      1 breathing	in
      1 breathing	out
      1 burned.	My
      1 but	after
      1 but	controlling
      1 but	the
      1 but	we
      1 by	infected
      1 by	people
      1 by	the
      1 by	those
      1 by	turning
      1 call	in
      1 called	R.
      1 called	“personal
      1 campaign	led
      1 can	also
      1 can	and
      1 can	float
      1 can	get
      1 can	infect
      1 can	keep
      1 can	spread
      1 can’t	know
      1 car	exhausts
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      1 cars,	factories,
      1 case	and
      1 catch	all
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      1 catch	fire—and
      1 cause	others
      1 caution:	Many
      1 challenge	to
      1 chimneys:	They
      1 cities	and
      1 citizens’	near-universal
      1 clean	air
      1 cloth	mask
      1 cloth	mask.
      1 cloth	masks
      1 cloth,	we
      1 cloth.	The
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      1 community	use
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      1 complied	with.
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      1 considering	wearing
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      1 continues	to
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      1 control”—is	crucial
      1 coronavirus	To
      1 coronavirus	pandemic
      1 cotton	mask
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      1 coughing	or
      1 could	help
      1 could	just
      1 could	more
      1 countries	already
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      1 country	continues
      1 course,	we
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      1 credit	their
      1 crucial	to
      1 cultural	norms
      1 customers,	and
      1 dangerous—it	spreads
      1 data	show
      1 day,	but
      1 day.	However,
      1 day.	Medical
      1 day.	Of
      1 death	rates
      1 death	total
      1 deaths	due
      1 deaths.	Luckily,
      1 decrease	in
      1 degree	these
      1 density,	mass
      1 deny	entry
      1 depends	on
      1 despite	high
      1 develop	any
      1 die	out.
      1 dies	out
      1 dies	out.
      1 different	functions
      1 different	uses.
      1 difficult:	It
      1 difficulty	of
      1 directed	at
      1 discussion	about
      1 disease	and
      1 disease	die
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      1 display	any
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      1 distributed	masks
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      1 do.	It’s
      1 doctors	and
      1 don’t	feel
      1 don’t	know
      1 dramatically	reduces
      1 droplets	quickly
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      1 drops	of
      1 due	to
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      1 during	the
      1 early	on
      1 easier.	It
      1 easily	achievable
      1 easily	go
      1 easy.	It’s
      1 effective	R[0]of
      1 effective,	easily
      1 effectiveness	of
      1 efficacy	at
      1 egress	is
      1 egress,	but
      1 egress,	or
      1 egress,	thereby
      1 embers	every
      1 embers	farthest—coughing
      1 embers	from
      1 embers	until
      1 embers.	These
      1 emission	filters
      1 emitted	from
      1 end	of
      1 enough	to
      1 ensure	maximal
      1 ensure	medical
      1 entry	to
      1 equipment,”	or
      1 especially	relevant
      1 evaporate,	becoming
      1 even	if
      1 even	more
      1 even	some
      1 every	day.
      1 every	region
      1 everyone	contributes,
      1 everyone	to
      1 everyone.	Usually,
      1 everyone—but	only
      1 everything	they
      1 everywhere.	Research
      1 example,	in
      1 exhalation	valves
      1 exhausts	and
      1 exists:	egress,
      1 experts	and
      1 exponential,	so
      1 face	mask
      1 fact,	we
      1 factor	(surveys
      1 factories,	and
      1 falls	under
      1 farthest—coughing	second,
      1 faster	it
      1 faucet,	compared
      1 feel	confused
      1 feel	sick
      1 few	left
      1 few	weeks.
      1 fewer	fires
      1 fewer	people
      1 filters	in
      1 find	ways
      1 fire	and
      1 fire	ravaging
      1 fire	season
      1 fire.	Masks
      1 firefighters	would
      1 firefighters—our	medical
      1 fires	mean
      1 fire—all	that
      1 fire—and	get
      1 first	five
      1 fit	in
      1 fit	too.
      1 fit,	and
      1 five	deaths
      1 flat	Models
      1 float	around
      1 flown	everywhere.
      1 flu	had
      1 fly	out
      1 for	doctors
      1 for	everyone
      1 for	everyone.
      1 for	fit
      1 for	hours.
      1 for	protecting
      1 for	society.
      1 for	source
      1 for	the
      1 four	confirmed
      1 from	a
      1 from	fire
      1 from	getting
      1 from	infecting
      1 from	ingress.
      1 from	our
      1 from	procedures
      1 fully,	and
      1 function	as
      1 function	fully,
      1 functions	of
      1 fund	research,
      1 gear	is
      1 generate	very
      1 get	sick.
      1 get	this
      1 get	to
      1 getting	infected
      1 give	them
      1 gloves,	helmets,
      1 go	back
      1 good	hygiene,
      1 good	news
      1 good”:	something
      1 government	mandate
      1 governments	can
      1 graph	below
      1 grassroots	campaign
      1 guarantee	clean
      1 gushing	water
      1 had	an
      1 half	of
      1 halt	the
      1 happen	if
      1 happens,	the
      1 has	a
      1 has	adopted
      1 has	stringent
      1 have	everything
      1 have	exhalation
      1 have	no
      1 health	authorities
      1 heat-resistant	suits
      1 helmets,	and
      1 help	stop
      1 help	us
      1 helpless;	in
      1 high	density,
      1 hobbies	may
      1 hose	right
      1 hose	up
      1 hours.	That’s
      1 houses	to
      1 huge	benefits.
      1 huge	decrease
      1 hygiene,	all
      1 if	80
      1 if	almost
      1 if	its
      1 if	most
      1 ill.	Read:
      1 illness.	COVID-19
      1 illness.	Three
      1 immunocompromised	or
      1 impact	is
      1 important	during
      1 important	use
      1 in	For
      1 in	Hong
      1 in	all
      1 in	combination
      1 in	deaths.
      1 in	every
      1 in	fact,
      1 in	its
      1 in	order
      1 in	other
      1 in	our
      1 in	public,
      1 in	public.
      1 in	those
      1 in	turn
      1 includes	when
      1 including	Hong
      1 indicates	an
      1 infect	others
      1 infected	or
      1 infected	people
      1 infected,	on
      1 infected,	the
      1 infecting	another,
      1 infecting	others—so
      1 infection,	and
      1 infectious	disease
      1 infects	one
      1 ingress	and
      1 ingress.	Recommended
      1 ingress—the	term
      1 inhalation	by
      1 initial	outbreak,
      1 installed	in
      1 into	these
      1 intubation,	which
      1 invisible	embers
      1 invisible	sparks
      1 is	at
      1 is	called
      1 is	covered
      1 is	difficult:
      1 is	especially
      1 is	even
      1 is	exponential,
      1 is	for
      1 is	hard
      1 is	much
      1 is	relatively
      1 is	spread
      1 is	that
      1 is	the
      1 is	their
      1 is	via
      1 issue	of
      1 it	dies
      1 it	every
      1 it	still
      1 its	R
      1 its	tracks.
      1 it—also	known
      1 it’s	1.0,
      1 just	a
      1 just	keep
      1 just	when
      1 keep	breathing
      1 keep	our
      1 keeping	our
      1 key	factor
      1 key	transmission
      1 kind,	you’re
      1 know	a
      1 know	about
      1 know	that
      1 known	as
      1 latest	issue
      1 laws,	regulations,
      1 lay	press—and
      1 layperson’s	summary.
      1 learn	what
      1 learning	new
      1 least	2.4.
      1 least,	though
      1 led	to
      1 left	over
      1 legally	require
      1 less	likely
      1 less	research
      1 less	stuffy
      1 less	than
      1 let	out
      1 level	of
      1 like	emission
      1 like	stopping
      1 likelihood	of
      1 likely	to
      1 lives.	Read:
      1 load	may
      1 longer	be
      1 looked	at
      1 low,	at
      1 lower	viral-exposure
      1 magic	number
      1 maintaining	good
      1 make	our
      1 make	the
      1 make	them
      1 mandate	on
      1 mandates,	or
      1 mandating	their
      1 many	articles
      1 many	fewer
      1 many	may
      1 mask	Spencer
      1 mask	could
      1 mask	dramatically
      1 mask	in
      1 mask	production
      1 mask	protects
      1 mask-wearing	as
      1 mask-wearing	depends
      1 mask-wearing	we
      1 mask-wearing,	case
      1 mask.	Read:
      1 masks	The
      1 masks	Think
      1 masks	and
      1 masks	for
      1 masks	has
      1 masks	protect
      1 masks	that
      1 masks	to
      1 masks	were
      1 masks,	a
      1 masks,	but
      1 masks,	is
      1 masks.	Masks
      1 masks.	The
      1 masks.	This
      1 masks’	efficacy
      1 mass	transportation,
      1 mathematical	models
      1 maximal	participation.
      1 may	be
      1 may	give
      1 may	never
      1 may	take
      1 me.	Plus,
      1 mean	that
      1 mean	we’re
      1 means	the
      1 meantime,	we
      1 measures	such
      1 medical	workers.
      1 medical-grade	respirator
      1 mild	illness.
      1 models	and
      1 more	easily
      1 more	power
      1 more	powerful.
      1 most	dangerous—it
      1 most	important
      1 most	people
      1 most	recent
      1 most	scientific
      1 most	stores
      1 mouths—by	as
      1 mouths—that	includes
      1 much	as
      1 much	easier.
      1 much	less
      1 much	of
      1 much—make	tests
      1 near-universal	mask-wearing
      1 nearby	is
      1 nearly	half
      1 need	in
      1 need	special
      1 need.	But
      1 needed	to
      1 never	become
      1 never	develop
      1 new	statistic
      1 new	things
      1 news	is
      1 nine	deaths
      1 no	awareness
      1 no	longer
      1 nonmedical	N95s
      1 norms	ensure
      1 not	alone.
      1 not	helpless;
      1 not	just
      1 not	used
      1 note	of
      1 novel	disease
      1 now,	most
      1 number	needed
      1 number	of
      1 number,	R[0],
      1 number,	the
      1 numbers	are
      1 nurses	who
      1 odds	results
      1 of	1.8—so
      1 of	120
      1 of	19
      1 of	257
      1 of	April
      1 of	COVID-19
      1 of	February,
      1 of	The
      1 of	avoiding
      1 of	caution:
      1 of	contracting
      1 of	data
      1 of	masks,
      1 of	masks.
      1 of	mathematical
      1 of	measures
      1 of	one
      1 of	particles
      1 of	patients
      1 of	their
      1 of	trying
      1 of	us
      1 of	virus
      1 of	water
      1 off	the
      1 off.	But
      1 official	statistics:
      1 on	March
      1 on	average,
      1 on	egress,
      1 on	three
      1 once	that
      1 one	infected
      1 one	other
      1 one	person’s
      1 one.	That’s
      1 only	a
      1 only	four
      1 only	if
      1 only	six.
      1 only	solution
      1 open	since
      1 opposite	concern
      1 or	PPE,
      1 or	cloth.
      1 or	coughed,
      1 or	hobbies
      1 or	masks
      1 or	sneezing
      1 or	strong
      1 or	those
      1 or	transmission
      1 order	to
      1 ordinary	people
      1 other	people
      1 other	person.
      1 other	public
      1 other	research
      1 others	before
      1 others	from
      1 others	through
      1 others	to
      1 others,	and
      1 others,	because
      1 others,	people
      1 others.	COVID-19’s
      1 others—so	they
      1 our	car
      1 our	cities
      1 our	distance
      1 our	embers
      1 our	firefighters
      1 our	mouths—by
      1 our	mouths—that
      1 our	public
      1 our	societies
      1 out	embers
      1 out	every
      1 out	if
      1 out	invisible
      1 out	need
      1 out	unfiltered
      1 out.	Read:
      1 out.	The
      1 outbreak,	but
      1 outside	particles
      1 outside	world.
      1 outward	at
      1 over	from
      1 over	with
      1 overtly	ill.
      1 overwhelmed,	and
      1 oxygen	tanks
      1 pandemic	as
      1 pandemic	flu
      1 pandemic	in
      1 pandemic	summer
      1 pandemic	under
      1 pandemic,	despite
      1 pandemic.	Unfortunately,
      1 paper	as
      1 participation.	And
      1 particles	emitted
      1 particles	from
      1 particles	mean
      1 particles	that
      1 particles	to
      1 particles	whose
      1 partly	because
      1 patients	are
      1 people	all
      1 people	are
      1 people	breathing
      1 people	can
      1 people	should
      1 people	to
      1 people	unless
      1 people	wear
      1 people	wearing
      1 people	wore
      1 people	would
      1 per	day,
      1 per	day.
      1 percent	effective,
      1 percent	voluntary
      1 percent.	This
      1 percentage	of
      1 person	in
      1 person	infected,
      1 person	infects
      1 person-to-person	spread
      1 person.	The
      1 person’s	infecting
      1 persuade	people
      1 physical	distancing
      1 places—a	recommendation
      1 pointed	the
      1 population	to
      1 population	wearing
      1 population,	mandating
      1 portion	of
      1 pose	to
      1 possible	and
      1 possible.	Our
      1 possibly	for
      1 power	than
      1 powerful.	While
      1 press—and	even
      1 press—don’t	properly
      1 prevent	transmission
      1 prevent.	This
      1 preventing	transmission
      1 procedures	such
      1 production	early
      1 proper	fit
      1 proper	fit,
      1 properly	distinguish
      1 protect	me.
      1 protect	others
      1 protect	the
      1 protect	themselves.
      1 protecting	medical
      1 protecting	others,
      1 protective	equipment,”
      1 protects	you;
      1 provides	two
      1 proximity	to
      1 public	became
      1 public	lives.
      1 public	places—a
      1 public	spaces,
      1 public	transit
      1 public,	including
      1 public.	We
      1 put	them
      1 putting	on
      1 quickly	evaporate,
      1 raging	blazes
      1 ramped	up
      1 range	of
      1 rate,	called
      1 rate,	in
      1 rates	have
      1 ravaging	our
      1 realize.	Along
      1 recent	five
      1 recent	studies
      1 recommendation	that
      1 recommending	their
      1 recorded	since
      1 reduced	within
      1 reduces	the
      1 reduction	in
      1 reduction	provides
      1 reflected	in
      1 region	that
      1 regulations,	mandates,
      1 relatively	easy.
      1 relevant	for
      1 remains	very
      1 reproduction	number,
      1 reproduction	rate,
      1 require	masks
      1 requirements	for
      1 requires	medical-grade
      1 research	and
      1 research	has
      1 research	to
      1 research,	ensure
      1 respirator	masks,
      1 rest	of
      1 result	can
      1 results	in
      1 results	took
      1 reveals	why
      1 right	about
      1 right	at
      1 risk	from
      1 risk	they
      1 route	of
      1 run	into
      1 running	out
      1 safely	as
      1 saw	an
      1 schools	have
      1 scientific	press—don’t
      1 scientific	research
      1 season	or
      1 second,	and
      1 sent	out
      1 should	do
      1 should	wear
      1 shouldn’t	be
      1 show	almost
      1 show	an
      1 shows	that
      1 sick	people
      1 sick	themselves,
      1 sick,	the
      1 sick.	That’s
      1 simple	as
      1 six.	In
      1 small	reduction
      1 sneeze.	A
      1 sneeze.	Sneezing
      1 sneezing	yet.
      1 so	even
      1 so	they
      1 social	distancing
      1 societies	function
      1 society-wide	source
      1 society.	If
      1 solution	is
      1 some	in
      1 something	as
      1 something	we
      1 source	is
      1 source,	by
      1 spaces,	such
      1 sparks	cause
      1 speak,	cough,
      1 speak,	not
      1 speaking	least,
      1 special	heat-resistant
      1 spoke	or
      1 spread	by
      1 spread	the
      1 spreads	embers
      1 statistic	reveals
      1 statistics:	The
      1 still	can
      1 still	saw
      1 stop	ingress—the
      1 stop	the
      1 stop	this
      1 stopping	gushing
      1 stopping	the
      1 stores	deny
      1 stories	are
      1 stringent	requirements
      1 strong	cultural
      1 studies	show
      1 stuffy	to
      1 submitted	an
      1 success	stories
      1 sufficient	for
      1 suits	and
      1 summary.	Every
      1 summer	A
      1 sure	to
      1 sure	who’s
      1 symptoms—and	even
      1 take	years,
      1 taking	off.
      1 tanks	so
      1 tape	or
      1 team	of
      1 term	for
      1 tests	widely
      1 than	30
      1 than	80
      1 than	one.
      1 than	we
      1 that	PPE,
      1 that	are
      1 that	can
      1 that	even
      1 that	eventually
      1 that	fly
      1 that	happens,
      1 that	if
      1 that	in
      1 that	is
      1 that	legally
      1 that	let
      1 that	means
      1 that	nearly
      1 that	people
      1 that	preventing
      1 that.	And
      1 the	absence
      1 the	atlantic
      1 the	average
      1 the	basic
      1 the	beginning
      1 the	confusion.
      1 the	difficulty
      1 the	disease
      1 the	disease.
      1 the	drops
      1 the	embers.
      1 the	end
      1 the	faster
      1 the	faucet,
      1 the	firefighters—our
      1 the	fire—all
      1 the	graph
      1 the	hose
      1 the	impact
      1 the	initial
      1 the	latest
      1 the	lay
      1 the	likelihood
      1 the	lower
      1 the	magic
      1 the	meantime,
      1 the	more
      1 the	number
      1 the	number,
      1 the	official
      1 the	only
      1 the	opposite
      1 the	outside
      1 the	pandemic,
      1 the	percentage
      1 the	person-to-person
      1 the	population
      1 the	population,
      1 the	rest
      1 the	result
      1 the	risk
      1 the	scientific
      1 the	source
      1 the	source,
      1 the	spread
      1 the	transmission
      1 the	valve
      1 the	virus
      1 their	citizens’
      1 their	death
      1 their	gear
      1 their	most
      1 their	population
      1 their	schools
      1 them	a
      1 them	less
      1 them	out
      1 themselves	display
      1 themselves,	and
      1 themselves.	One
      1 thereby	adding
      1 these	droplets
      1 these	outside
      1 these	raging
      1 these	success
      1 they	are
      1 they	can
      1 they	don’t
      1 they	need.
      1 they	never
      1 they	pose
      1 they	shouldn’t
      1 they	speak,
      1 they	themselves
      1 they’re	right
      1 they’ve	flown
      1 things	about
      1 things:	the
      1 thinks	they’re
      1 this	is
      1 those	nearby
      1 those	odds
      1 those	who
      1 though	it
      1 three	things:
      1 through	egress
      1 thus	won’t
      1 time	they
      1 time	we
      1 to	COVID-19
      1 to	Wear
      1 to	Wuhan.
      1 to	a
      1 to	an
      1 to	better
      1 to	content
      1 to	control
      1 to	do.
      1 to	find
      1 to	function
      1 to	get
      1 to	guarantee
      1 to	halt
      1 to	know
      1 to	learn
      1 to	others
      1 to	persuade
      1 to	prevent
      1 to	prevent.
      1 to	put
      1 to	stop
      1 to	stopping
      1 to	that
      1 to	unmasked
      1 to	wear
      1 to	wear)
      1 to	what
      1 to	work
      1 too.	If
      1 took	a
      1 total	remains
      1 towns	that
      1 tracks.	
      1 transdisciplinary	team
      1 transit	and
      1 transmission	outward
      1 transmission	route
      1 transmission;	and
      1 transportation,	and
      1 truly	catch
      1 trying	to
      1 turn	breathe
      1 turning	off
      1 two	huge
      1 two	others.
      1 ubiquitous.	The
      1 under	1.0.
      1 under	control,
      1 understand	what
      1 unfiltered	air,
      1 unless	the
      1 unmasked	customers,
      1 until	we
      1 up	and
      1 up	mask
      1 us	do
      1 us	wearing
      1 use	for
      1 use	of
      1 used	during
      1 uses.	Zeynep
      1 vaccine	may
      1 valve	is
      1 valves	(to
      1 very	important
      1 very	low,
      1 very	tiny
      1 via	droplets
      1 viral-exposure	load
      1 virus	in
      1 voluntary	compliance).
      1 water	after
      1 water	from
      1 ways	to
      1 we	all
      1 we	assembled
      1 we	call
      1 we	can
      1 we	can’t
      1 we	cough
      1 we	do
      1 we	don’t
      1 we	have
      1 we	lower
      1 we	need
      1 we	realize.
      1 we	speak,
      1 we	spoke
      1 we	truly
      1 we	will
      1 wear	masks.
      1 wear)	that
      1 wearer	because
      1 wearer	is
      1 wearer	to
      1 wearer.	Protecting
      1 wearer.	Until
      1 wearing	N95s,
      1 wearing	just
      1 wearing	masks
      1 wearing	masks.
      1 weeks.	We
      1 well	as
      1 were	not
      1 we’re	all
      1 we’re	learning
      1 we’re	running
      1 we’ve	pointed
      1 what	degree
      1 what	kind,
      1 what	level
      1 what	would
      1 whenever	possible
      1 where	most
      1 whether	people
      1 which	can
      1 which	generate
      1 while	their
      1 while	to
      1 who	are
      1 who	aren’t
      1 who	have
      1 who	run
      1 who	work
      1 whose	inhalation
      1 who’s	sick,
      1 why	America’s
      1 why	and
      1 why	their
      1 widely	available,
      1 widely	complied
      1 widespread	mask-wearing,
      1 will	need
      1 with	cloth,
      1 with	keeping
      1 with	physical
      1 with	proper
      1 with	sick
      1 with	something
      1 with	tape
      1 with	the
      1 with.	The
      1 within	a
      1 won’t	stop
      1 wore	a
      1 work	and
      1 work	with
      1 workers	are
      1 workers	from
      1 workers	have
      1 workers.	The
      1 world.	Historically,
      1 worn	around
      1 would	catch
      1 would	happen
      1 would	no
      1 wrote	and
      1 years,	and
      1 yet.	Many
      1 you	feel
      1 you	need
      1 you;	your
      1 your	masks
      1 you’re	not
      1 “personal	protective
      1 “public	good”:
      1 “source	control”—is