Flu

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The flu is a respiratory (i.e., nose, throat, and lung) infection that can be caused by influenza viruses. Many people use the word "flu" when they actually have a cold. Although the common cold is also caused by viruses, the flu and common cold differ in several ways. In North Americ...

Flu

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Swine influenza, also called "swine flu," is a contagious respiratory disease that affects pigs. Just like humans, pigs can get the flu. The swine flu can be passed from pig to pig by direct contact, indirect contact (e.g., a pig coming in contact with a surface that has the virus), or thr...
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H1N1 influenza is a contagious respiratory disease that causes symptoms of seasonal influenza in people. The name "swine flu" was initially used to describe this type of influenza because laboratory tests showed that this strain of flu virus was made up of genes that were very similar to...
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If you're not sure whether you should get a flu shot this year, consider these answers to 6 frequently asked questions about the vaccination.
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Here's the truth behind a few common flu myths.
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The flu virus changes constantly, making it difficult to come up with a cure for the flu. Learn what to do to for flu treatment.
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This primer provides answers to a dozen key questions about avian flu.
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Avian influenza, more commonly called "bird flu," is a type of influenza or "flu" that occurs in all species of birds. The virus that causes avian influenza exists naturally in many wild birds, including wild waterfowl, without causing the condition in them (these birds are c...
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Do you suspect you might be sick with avian flu? Although the odds are probably against it, it's not impossible.