The CDC has confirmed 109 cases of Swine flu in the U.S. and states have reported several more,
prompting the Department of Health and Human services to declare a
Public Health Emergency. While government officials try to halt this
outbreak, what do you need to know?
Check out CNN's extensive swine flu Q&A
to learn about past swine flu outbreaks, why health officials are
concerned, and the preventive measures you can take, plus more. Some
quick facts:
- Swine wine influenza, or flu, is a contagious respiratory disease that
affects pigs. It is caused by a type-A influenza virus. Outbreaks in
pigs occur year-round.
- Humans aren't usually infected and researchers have yet to determine the cause behind this outbreak.
- Symptoms are very similar to the common flu: fever, runny nose, sore throat, nausea, etc.
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