The autonomic nervous system (ANS) regulates the functions of our internal organs (the viscera) such as the heart, stomach and intestines.
The flu is contagious a day before and five days to a week after its onset. Young children, people over 65, those with compromised immune systems, and people with a terminal illness are at risk of death from the flu.
Welcome to justanswer and thank you for your question. Well, flu is contagious for 5 to 7 days after becoming sick. It is transmitted through cough, sneeze or talk. As he has already been taking Tamiflu, so it will prevent the virus from reproducing within the host. It helps to rapidly slow down the rate of infection within a person.