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Flu Shot: Disease Control
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The flu shot can be given to people six months of age and older who do not have an allergic reaction to eggs. It takes about two weeks after the shot is given for people to develop enough antibodies to provide adequate protection from the disease.
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Anyone older than 6 months can get a flu shot, but it is most important if you are at high risk for complications. Those at high risk include young children, pregnant women, older adults, and people with chronic diseases or weak immune systems.
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The CDC (Centers for Disease Control) recommends that everyone get vaccinated because a flu shot is the only way to prevent the flu. Some people are at even higher risk for serious complications including:
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The vaccine in the flu shot is made from non-infectious, killed viruses, so it is impossible to get the flu from the shot. It is 70% - 90% effective in preventing disease in healthy adults and 80% effective in preventing death in the frail, elderly population.
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Severe allergic reactions to flu shots are rare. A rare but possible side effect of influenza vaccination is Guillain-Barré syndrome (GBS). This is an autoimmune disease that attacks the nervous system and results in weakness and abnormal sensations. But, most patients recover fully. Your chance of developing GBS as a result of a flu shot is one in a million.
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