Answers

2016-04-03T13:00:08+05:30
VACCINE:-

1.vaccine is an antigenic substance prepared from the causative agent of a disease or a synthetic substitute, used to provide immunity against one or several diseases.
2.
 viral vaccines include measles, mumps,rubella, varicella, yellow fever, influenza (intranasal) and Oral polio vaccine.

SERA:-

1.the clear, pale-yellow liquid that separates fromthe clot in the coagulation of blood; blood serum.2.immune serum.3.any watery animal fluid.4.the thin, clear part of the fluid of plants.5.milk whey.
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