The “flu” virus, or influenza, is commonly caused by viruses that attack the respiratory tract. The symptoms usually include a fever, cough, sore throat, muscle aches, fatigue, etc., and most people recover from the flu within two weeks. However, some people can develop pneumonia and other life-threatening illnesses as a result of the flu. It’s for this reason that the flu shot can be a good idea for those at risk including: pregnant women, the elderly, young children and people who have chronic health issues. It is best to consult with a doctor to determine your options, and Closing the Gap Healthcare can help.