A) Diseases.
B) Immunity.
C) Antibodies.
D) by specific bacterium or viruses.
Has everybody got vaccinated or not?
Verb-to possess, own, hold for use, or contain
When a coordinating conjunction connects two independent clauses, it is often (but not always) accompanied by a comma;
The comma is always correct when used to separate two independent clauses connected by a coordinating conjunction. Mark for brainliest answer
