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Is Swine Flu Life Threatening?

What is Swine flu?

Swine flu is actually a respiratory disease that is caused by viruses, which infect the respiratory tract of pigs and consequently, cause nasal secretions, decreased appetite, a barking like cough and restless behavior. The pigs that last can retain swine flue for one to two weeks. Virus of swine influenza first isolated from pigs in the U.S in 1930.People mainly develop swine flu due to their interaction with pigs.