The symptoms of true influenza include fever, chills and sometimes nausea and vomiting. If you come in contact with someone who has the virus, try not to come near them, she said. The virus is most contagious when the ill person has a fever. Besides being extremely cautious around an ill person, the only sure way to keep from getting the virus is the dreaded flu shot. There are different strains of the flu each year.
Testing is done to determine the exact strain and a vaccine is developed accordingly.
However, for those who have illnesses like diabetes, asthma, chronic lung disease, heart disease, etc., getting an annual flu shot is a good idea. All rights reserved.