Swine flu (H1N1) is a type of viral infection. It’s called swine flu because it resembles a respiratory infection that pigs can get. In 2009, an H1N1 pandemic infected millions of people worldwide. Today, you can prevent H1N1 with an annual flu shot. You can treat it with rest, fluids and antiviral medications. What is swine flu (H1N1)? More @Wikipedia
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