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Heart failure: Flu vaccine could save lives

January 4, 2019

Most doctors, scientists, and other medical professionals consider flu vaccinations to be a safe and effective way of protecting people against influenza, or the flu.

The vaccine, usually given in the form of an injection, contains small amounts of deactivated flu viruses.

These viruses are not harmful in this state but do trigger the human body to produce antibodies to fight against them. This means that the next time the virus enters the body, it can produce the same response quickly.

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