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Antigenic and Genetic Characteristics of Swine-Origin 2009 A(H1N1) Influenza Viruses Circulating in Humans | Science
Outbreak of Swine-Origin Influenza A (H1N1) Virus Infection --- Mexico, March--April 2009
2009 Swine-Flu Death Toll 10 Times Higher Than Thought | Live Science
Pandemic H1N1/09 virus - Wikipedia
Deaths and Hospitalizations Related to 2009 Pandemic Influenza A (H1N1) --- Greece, May 2009--February 2010
![PDF] Pandemic influenza A (H1N1) 2009: the experience of the first six months | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/7c84e64cbe0f09bbea10ee651229e696a409c459/2-Figure1-1.png "PDF] Pandemic influenza A (H1N1) 2009: the experience of the first six months | Semantic Scholar")
PDF] Pandemic influenza A (H1N1) 2009: the experience of the first six months | Semantic Scholar
Gastrointestinal manifestations among Chilean patients infected with novel influenza A (H1N1) 2009 virus | Gut
2009 swine flu pandemic timeline summary - Wikipedia
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Origins and evolutionary genomics of the 2009 swine-origin H1N1 influenza A epidemic | Nature
A look back at the H1N1 outbreak - YouTube
The Public's Response to the 2009 H1N1 Influenza Pandemic | NEJM
Geographic Dependence, Surveillance, and Origins of the 2009 Influenza A ( H1N1) Virus | NEJM
Reassortment of Pandemic H1N1/2009 Influenza A Virus in Swine | Science
The last flu pandemic was a 'quiet killer.' Why we can't predict the next one
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2009 swine flu pandemic - Wikipedia
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Influenza pandemic (H1N1) of 2009 | Britannica
