The following result is obtained by our Internet Research Algorithm: Swine flu is a type of influenza-A virus, which are the most severe kinds of an influenza-A and its originated from pigs it is also known as H1N1 influenza-A virus. It is a really serious infection. Symptoms of swine flu include fever, cough, sore throat, chills, weakness and body aches. • Pain in muscles • Dry cough • Diarrhoea • Nausea • Vomiting • Chills, fever and fatigue • Headache, shortness of breath and sore throat