A member asked:

If i had 4 covid vaccines 2 are boosters would they be out of my system if the last one was over a year ago?

Q: if i had 4 covid vaccines 2 are boosters would they be out of my system if the last one was over a year ago?

: I suspect so. The mRNA based vaccines appear to have a protection window limited to 6 month/ more or less. A last dose over a year ago has likely lost any residual benefit.

A doctor has provided 1 answer

Dr. James Ferguson answered

I suspect so. The mRNA based vaccines appear to have a protection window limited to 6 month/ more or less. A last dose over a year ago has likely lost any residual benefit.

Answered 7/25/2023

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A member asked:

If i had 4 covid vaccines 2 are boosters would they be out of my system if the last one was over a year ago?

A doctor has provided 1 answer

Dr. James Ferguson answered

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