Stress can cause goosebumps because it often triggers the same pathways as when we face danger. This is known as the fight or flight response. It is initiated when the brain identifies a danger, either present or impending, and readies the body for action â that is either to fend off the danger (fight response) or maximize the bodyâs resources to flee from the danger (flight response).
1 Symptoms usually appear within one to two days of exposure. 2  Although you typically feel better after a day or two, you're contagious for up to three days after you've recovered. 3  Some people may be contagious for up to two weeks after recovery. 4  Rotavirus.
Signs and Symptoms of Bird Flu. The period of time between exposure to the virus and development of symptoms (called the incubation period) is longer for bird flu than for regular flu, from two to as many as 17 days. Symptoms of bird flu vary, depending on which virus caused the infection. Early symptoms include the following: Cough.