how long after exposure to the flu do symptoms appear
Symptoms usually appear 1 to 3 days after exposure. Influenza symptoms can include a sudden onset of fever, headache, chills, cough, sore throat, and body aches.Diarrhea is not common.Although most people are ill for less than a week, some people have complications and may need to be hospitalized.nfluenza symptoms can include a sudden onset of fever, headache, chills, cough, sore throat, and body aches. Diarrhea is not common. Although most people are ill for less than a week, some people have complications and may need to be hospitalized.