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H1N1
- a subtype of the type A influenza virus, with strains that give rise to seasonal epidemics, or sometimes pandemics, including a strain with swine, avian, and human genes responsible for swine flu.
Word History and Origins
Origin of H1N11
Example Sentences
Nuzzo said there are other hypotheses — which she stressed are just hypotheses — including one that posits people who were exposed to the H1N1 swine flu outbreak in 2009 may have acquired some immunity to the “N1” part of the virus.
For example, when H1N1, also known as swine flu, emerged in Mexico in the spring of 2009, tens of thousands of mild cases went undetected, causing health authorities to overestimate the severity of the disease.
For example, researchers have pinpointed the start of the 2009 H1N1 pandemic to pigs, which can be infected with both human and bird flu.
In early 2024, Peiris and his colleagues published a study suggesting that previous infection with the H1N1 swine flu may provide some protection against H5N1.
The 1918 swine flu virus H1N1, which killed an estimated 20 million people, had both mammalian and avian genetics.
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