Question

Pllzz define "VACCINE"

Answer 1

an antigenic substance prepared from the causative agent of a disease or a synthetic substitute, used to provide immunity against one or several diseases.

Answer 2

❤❤❤a vaccine is a preventive measure and it given before the occurrence of a disease .....✌the practice of introduction of vaccine into the body is called vaccination ❤❤❤

❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤hope it help you dear✌✌✌✌✌✌