Biology, asked by pojaa1, 1 year ago

write very briefly about the following a)BCG ,b)incubation period c) chicken pox D) hepatitis A

Answers

Answered by vidhi02
13
BCG vaccine has been found useful in developing immunity for tuberculosis.
Incubation period is the period between the entry of germs and the appearance of the first symptoms of the disease.

rishu: explain briefly
Answered by Sonai69
0
I have given c and d ok
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