Flu can be very dangerous. I know that because I study medicine. Healthy foods, fruits, training, are things that can strengthen our immunity. Immunity is one of the most specific functions of our body, and with our help it can overcome many causes of illness, including influenza.
RE: Every year Influenza Virus is killing hundred of people in USA and death ratio is increasing!
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Every year Influenza Virus is killing hundred of people in USA and death ratio is increasing!