H1N1 Flu Virus
H1N1 Flu Virus 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. Swine influenza is a highly contagious acute respiratory disease of pigs, caused by one of the several strains of swine influenza A. The virus is spread among pigs by aerosols, through direct and indirect contact, and also by asymptomatic carrier pigs. Swine influenza seen predominantly in the mid-western United States (and occasionally in other states), Mexico, Morocco , Canada, South America, Europe (including UK, Sweden, and Italy), Kenya, Mainland China, Taiwan, Japan, and other parts of eastern Asia and in various parts of India. In 2010, H1N1 was spreading fast around the world, so the World Health Organization called it a pandemic. Since then, people have cont...