What are the symptoms of H1N1 flu (swine flu)?

The symptoms of H1N1 flu in people are similar to the symptoms of seasonal flu and include fever, cough, sore throat, body aches, headache, chills and fatigue. Some people with H1N1 flu also reported diarrhea and vomiting. In the past, severe illness (pneumonia and respiratory failure) and deaths have been reported with swine flu infection in people. Similar to seasonal flu, swine flu may make chronic medical conditions worse.