WebMD Medical News
Daniel J. DeNoon
Louise Chang, MD
Feb. 12, 2010 - About one in five U.S. residents -- 57 million Americans --
have had H1N1 swine flu since the pandemic began in April 2009, the CDC
Some 11,690 Americans have died of H1N1 swine flu. That's the midpoint of
the CDC's estimate, which ranges from as few as 8,330 deaths to as many as
The new estimates cover the period from April 2009 through Jan. 16, 2010;
they suggest that 2 million Americans caught swine flu since Dec. 12, 2009 --
and that 530 died in that five-week period.
While the new estimates do not indicate a new pandemic wave, they do show
that people continue to be sickened and even killed by the H1N1 swine flu
The CDC estimates are based on mathematical models used to give a better
picture of the scale of the epidemic than lab-confirmed cases.
Here are the CDC's estimates -- broken down by age group -- of how many
U.S. residents have had H1N1 swine flu, been hospitalized with the disease, and
died from it:
~13 million to ~27 million
~24 million to ~49 million
65 years and older
~4 million to ~8 million
~41 million to ~84 million
~58,000 to ~120,000
~107,000 to ~221,000
~18,000 to ~37,000
~183,000 to ~378,000
~880 to ~1,810
~6,390 to ~13,170
~1,060 to ~2,180
~8,330 to ~17,160
SOURCES:News release, CDC.CDC web site.
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