1 in 5 infected by 2009-10 flu pandemic: study
- Published: 25 Jan 2013 at 21.45
- Online news: World
More than a fifth of the world's population was infected by the H1N1 virus in the 2009-2010 flu pandemic, according to new estimates released on Friday.
Handout picture released by Mexico's Health Ministry showing the vaccine against influenza A (H1N1) virus (swine flu) in Mexico City, on December 7, 2009. More than a fifth of the world's population was infected by the H1N1 virus in the 2009-2010 flu pandemic, according to new estimates released on Friday.
The study confirms warnings that so-called swine flu was highly contagious. It also estimates that the flu's lethality -- as previously reported -- was low.
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