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Black_prince [1.1K]
3 years ago
7

Does a vaccine work on someone who is already sick? Why?

Biology
2 answers:
Shtirlitz [24]3 years ago
5 0
Im guessing a vaccine does work on someone who is already sick from the disease. For example, if someone who had corona virus took a vaccine that everyone’s getting now and I believe it does work to cure the patient from the sickness. It depends on what the vaccine does to you though.
Mariana [72]3 years ago
4 0
No, because the immune system is already battling with the virus or disease
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