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A member asked:

Is the 2nd shot of flu vaccine still effective?

1 doctors weighed in across 2 answers
Dr. Heidi Fowler answered

Specializes in Psychiatry

2 dose flu vaccine: When 2 dose vaccination is used for children – the second dose should be administered 28 days after the first. Dose #1 “primes the immune system" & dose #2 provides the actual protection.

Answered 10/21/2014

3.6k views

Thank
Dr. Heidi Fowler answered

Specializes in Psychiatry

Yes: When 2 dose vaccination is used for children – the second dose should be administered 28 days after the first. Dose #1 “primes the immune system” & dose #2 provides the actual protection.

Answered 10/20/2014

3.6k views

Thank

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