Influenza A(H1N1) variant virus
The H1N1 flu, sometimes known as swine flu, is a form of influenza A virus. During 2009-2010, a new H1N1 started causing illness in humans. It was generally known as swine flu and was a new combination of influenza viruses that infect birds, pigs, and humans. The WHO (World Health Organization) declared the H1N1 flu…