Scientists have studied 94 hospital visits for flu-like symptoms during the 2010 - 2011 flu season.
Researchers say they are developing a vaccine that protects the human body from the attack of all flu viruses.
One more reason you should get a flu shot every year is that the vaccine can reduce the risk of heart attack, stroke and death from cardiovascular diseases.
According to the Department of Preventive Medicine, influenza A / H1N1 is one of the current seasonal flu.
After a week of illness, 52-year-old man in Binh Minh commune, Bu Dang district (Binh Phuoc) died.