if exposed to flu how long before symptoms
Flu symptoms appear anywhere from 1 to 4 days after a person has been exposed to the virus. The main symptoms of flu are: headache; sore throat; fever; chills; muscle aches; stuffy nose; dry cough; Someone with the flu may have a high fever â for example, that person's temperature may be around 104Â°F (40Â°C). People with the flu often feel achy and extra tired. They may lose their appetites. The fever and aches usually disappear within a few days, but the sore throat, cough, stuffy nose ...