define vaccine, immunisation, inflation disease, non inflation disease, principles of treatment, and principles of prevention.
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VACCINE:-
an antigenic substance prepared from the causative agent of a disease or a synthetic substitute, used to provide immunity against one or several diseases.
"there is no vaccine against HIV infection"
an antigenic substance prepared from the causative agent of a disease or a synthetic substitute, used to provide immunity against one or several diseases.
"there is no vaccine against HIV infection"
tnasrin:
11th
you are having 9th CBSE science question paper of previous year
I'm an isc student
ok
nope,
Asf I can arrange it for you
https://www.vedantu.com/previous-year-question-paper/cbse-science-class-10-year-2017
I want for class 9th CBSE science question paper plzzzzzzzz arrange for me
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