IMMUNOLOGY

HYPERSENSITIVITY

VACCINATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Vaccines can wear off after a few years, so some require booster shots to provide the appropriate immunity.
A
True
B
False
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -It also offers greater than 95% protection against severe disease or hospitalization for between six months and a year after an infection or vaccination, according to estimates from a meta-analysis2. Immunity acquired by booster vaccination alone seems to fade somewhat faster.

Detailed explanation-2: -You can get your second booster dose if you are: age 18 to 49-wait at least 6 months since getting your last COVID-19 vaccine or COVID-19 infection.

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