The most common side effects found from the 2010-2011 flu vaccines were soreness, redness, tenderness or swelling where the flu shot was given and nasal congestion after the flu vaccine nasal spray.In clinical trials, 10, 000 to 15, 000 children and adults have received various manufacturers' brands of h1n1 swine flu vaccine. Nothing serious happened to any of them.
Answered Feb 26, 2019
Some experts report that flu vaccines arouse an immune response in less than one-third of people who receive it. If this is true then a serious side effect is ineffectiveness.
Answered Feb 3, 2014
The most common side effects of the swine flu,or H1N1, vaccination is redness or swelling at the injection site. The vaccine is a killed virus and, contrary to rumor and internet conspiracy theories, you cannot get the flu from a killed virus. A small percentage of people are allergic to the egg yolk material used to make the vaccine, or other components. For most, perfectly safe.
Answered Oct 3, 2019
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