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What do you know about vaccine boosters?

2021-07-21 14:06:43

Dr. Fariba Azadikhah
Reviewed by:
Dr. Fariba Azadikhah

What do you about vaccine boosters?

Vaccine boosters are additional vaccine doses that should provide extra protection against disease, as the effects of some vaccines may wear off over time.

Vaccine boosters are common for many viral infections, including the flu, which requires a booster every year, and tetanus, diphtheria, and pertussis (DTaP), for which a booster is necessary every 10 years.

 

Although many vaccine boosters are identical to the previous doses, some are modified to enhance their efficacy. The flu vaccine, for example, changes every year to respond more effectively to new mutations of the influenza virus.

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