WebMD explains the H1N1 flu virus (swine flu), what causes it, and its symptoms, tests, treatments, and prevention. H1N1 Virus Latest News Delhi is seeing a significant rise in seasonal flu cases, with Influenza B and H1N1 leading to upper respiratory infections characterized by prolonged symptoms and persistent high fevers. About H1N1 Virus Swine Influenza (swine flu) is a respiratory disease of pigs caused by type A influenza viruses that causes regular outbreaks in pigs. People do not normally get swine flu, but human infections can and do happen. Swine flu viruses have been reported to spread from ... H1N1 (swine flu) is a viral infection that causes respiratory illness in humans. Learn its symptoms, causes, and prevention methods. H1N1 swine influenza is a common respiratory infection in pigs worldwide, and hence the name, swine flu. Sometimes, people who are in the close proximity of pigs develop swine flu (zoonotic swine flu).
