The symptoms of hin1 flu virus human swine flu are very similar to those of seasonal human influenza appending below are few of the core symptoms of swine flu infection a sudden fever with increasing temperature generally more than 39 c and or 103 f dry and chest a persisting cough. Symptoms of swine flu are similar to most influenza infections fever 100 f or greater cough usually dry nasal secretions fatigue and headache with fatigue being reported in most infected individuals some patients may also get a sore throat rash body muscle aches or pains headaches chills nausea vomiting and diarrhea. The basic symptoms for swine flu are similar to the seasonal flu which may include fever sore throat cough stuffy nose chills headache and body aches and fatigue and sometimes vomiting and diarrhea 3 how does it spread