It's also associated with severe body aches. But the hallmarks are the season and the abrupt onset. Type A is more serious, while Type B produces milder symptoms. Once the virus enters your body, you may be contagious for three to five days after symptoms first appear. Expect to feel ill for one to two weeks.
Medical experts say to treat symptoms, get plenty of bed rest, and drink fluids.
Fluids help to relieve your cough, loosen congestion, and thin secretions. They also help alleviate dehydration by replacing water loss due to fever. Flu vaccine Healthy adults and children do not need a yearly flu shot. Flu shots are also recommended for pregnant women in their second or third trimester during flu season. If you're allergic to eggs, or have had an adverse reaction to a previous flu shot, avoid the vaccine altogether.