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Flu vaccines come as a shot or as a nasal spray. Most people can receive the flu shot. People with certain chronic diseases cannot receive the nasal spray because it is a live virus vaccine.
There are two types of flu vaccines:
1. The flu shot -- an inactivated vaccine (containing killed virus) that is given with a needle, usually in the arm. The flu shot is approved for use in people older than 6 months, including healthy people and people with chronic medical conditions.
There are three different flu shots available:
- a regular flu shot approved for people ages 6 months and older
- a high-dose flu shot approved for people 65 and older, and
- an intradermal flu shot approved for people 18 to 64 years of age.
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