WebMD explains flu shots and flu nasal spray for adults, including who should get them, when, and the benefits and side effects of influenza.
Influenza (Flu). Why vaccinate adults against influenza? Depending on the severity of circulating strains, the flu kills between 3, and 49, individuals in the.
Some vaccines are only approved for adults. For example, the recombinant influenza vaccine (RIV) is approved for people aged 18 years and older, and the .