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05-06-2024, 10:04 PM
Vaccine failure is when there is a need to keep adjusting the vaccine to get it right.
If it cannot be solved on the 2nd dose, on the 3rd dose the person still got infected. It can be considered a vaccine failure.
If it cannot be solved on the 2nd dose, on the 3rd dose the person still got infected. It can be considered a vaccine failure.
