H1N1 Flu Virus (Swine Flu)
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H1N1 flu is also known as swine flu. It's called swine flu because in the past, the people who caught it had direct contact with pigs. That changed several years ago, when a new virus emerged that spread among people who hadn't been near pigs.
In 2009, H1N1 was spreading fast around the world, so the World Health Organization called it a pandemic. Since then, people have continued to get sick from swine flu, but not as many.
While swine flu isn't as scary as it seemed a few years ago, it's still important to protect yourself from getting it. Like seasonal flu, it can cause more serious health problems for some people. The best protection is to get aflu vaccine, or flu shot, every year. Swine flu is one of the viruses included in the vaccine....read more on link belowSource...http://www.webmd.com/cold-and-flu/flu-guide/h1n1-flu-virus-swine-flu
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