6. How does

Biology

2 answers:

Serhud [2]4 years ago

5 0

Answer:

Vaccines help develop immunity by imitating an infection.

It causes the immune system to produce T- lymphocytes and antibodies.

once the imitation infection goes away, the body is left with a supply of T- lymphocytes, as well as B- lymphocytes that will fight the disease in future.

liubo4ka [24]4 years ago

3 0

Answer:

vaccines inject either weaker strain or dead viruses into the body in order for the immune system to produce antibodies that will help fight off the disease in the future.

hope this helps

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