Because the vaccine contains killed virus, the
influenza shot(What is a PDF document?) cannot cause the flu. If you develop the flu after being
immunized, it may be because you were exposed to the flu virus before receiving
the injection or you were exposed to another virus that the vaccine did not
Some minor side effects of the
immunization have been reported and may include:
Chickenpox is a common illness caused by the varicella-zoster virus. Symptoms of chickenpox include fever and itchy spots or blisters all over the body. Chickenpox is usually mild and runs its course in five to 10 days, but it can cause more serious problems when teens and adults get it. People with weakened immune systems are especially susceptible to developing serious complications from chickenpox.
Some complications that can arise from chickenpox include:
No reports have been
Guillain-Barré syndrome developing in people as a
result of the influenza vaccine since the 1976 vaccination program. During that
year, the swine flu vaccine was associated with an increase in the syndrome.
Guillain-Barré syndrome is the only known possible fatal reaction to influenza
vaccine and is extremely rare. The risk of death from the flu vaccine is
estimated at 1 person out of 2 million and is significantly lower than the risk
of dying from complications caused by the flu.
Primary Medical Reviewer
E. Gregory Thompson, MD - Internal Medicine
Specialist Medical Reviewer
Christine Hahn, MD - Epidemiology
July 8, 2010
WebMD Medical Reference from Healthwise
July 08, 2010
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