The facts on H1N1 flu (2009)
What is H1N1 flu? H1N1 flu is a new virus that causes an illness similar to the seasonal flu. H1N1 flu is sometimes referred to as the "swine flu." However, H1N1 is the correct name for this virus. H1N1 flu lasts 5 to 7 days for most people.
Archive version. For the most recent information see extension.missouri.edu.
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