MARCH 27, 2020
BY THE NUMBERS
SOURCES: STANDARD & POORS, WJAPAN TIMES, UN.ORG, JOHNS HOPKINS CSSE, HISTORY.COM, SCIENTIFICAMERICAN.COM, HISTORYTODAY.COM, UNAIDSHO, MEDSCAPE, NATIONAL BUREAU OF ECONOMIC RESEARCH, NIELSON.COM, TWITTER, CDC,
2/24 2/25 2/26 2/27 2/28 3/02
The highest
mortality rates
of recorded
epidemics—certain
outbreaks of Ebola
have been this
deadly, as well as
untreated HIV/AIDS
11.5%
The percentage that
the S&P 500 plunged
at news of COVID-19’s
spread, the biggest
single-week (February
24-28) loss since the
2008 recession
SP
OO
Nʔ
GE
TT
Y;^
CD
C
219 Ơ Increase
in medical mask
sales in the U.S.
in mid-February,
compared to the
same time last
year. In response,
the U.S. Surgeon
General tweeted,
“Seriously people—
STOP BUYING
MASKS!”
$ 570
billion
Estimated worldwide
annual cost of a
moderately severe
to severe
pandemic
Pandemics
Since the beginning of humanity, highly contagious
diseases have sporadically broken out and
ravaged the population. Now, with faster and more
frequent travel, diseases can spread more rapidly
across continents and even worldwide. As the
WHO ponders classifying the fast-moving novel
coronavirus COVID-19 a global pandemic, here’s
a look at some stats that show how pandemics
can spread and their impact. —Sarah Dreher
6 Ơ The
number of
hours it takes
for a disease
to spread
from a remote
village to
major cities
on every
continent
-15%
0%
-10%
-5%