Understand Swine flu: Swine flu is the common name used to specify a new type of influenza virus that causes infection in humans. The origin of the disease is currently being investigated. In general swine influenza is a disease of the pigs. The virus usually does not infect human beings, but it can infect people who work in close proximity with pigs or often come in close contact with pigs. The first thing everyone must to realize is this is similar to annual flu. By maintaining proper hygiene and avoiding those who are not feeling well, one can keep this virus under control. We hope that this section will help you to understand swine flu and improve your awareness too.