Why get a flu vaccine?
Influenza, also known as “the flu”, is a contagious respiratory illness. It is caused by influenza viruses that infect the nose, throat and lungs. Flu symptoms can include fever, cough, body ache, headache, sore throat, runny or stuffy nose, chills, tiredness and sometimes vomiting and diarrhea. In some cases, people with flu do not have a fever.