Question

write one word for the following​

Answer 1

Answer:

1.Viruses

2.Casein

3.Lactobacillus

4.vaccines

5.Abstract

4.A vaccine is a biological preparation that improves immunity to a particular disease. A vaccine typically contains an agent that resembles a disease-causing microorganism and is often made from weakened or killed forms of the microbe or its toxins.

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