Vaccination . is always efffective in preventing disease
provides a passive immunity against disease
involves injecting the body with specific medication
should be given on a regular schedule from birth

involves injecting the body with specific medication

Explanation:

Vaccination is a versatile and effective methodology for preventing diseases caused by exposure to harmful bacterial and viral infectious agents. Literally, vaccination refers to the administration of medical preparations that help the body to produce immunity against infectious diseases. Vaccines are used to prevent outbreaks caused by infectious diseases. Even under optimal conditions, vaccination is not always effective in preventing disease transmission, because the immune system of each organism may react in a different manner to the same vaccination (even to the same dose). However, vaccination is always encouraged to prevent the spread of infectious diseases. Although there are many vaccines that target age groups, there are others that can be applied to different ages.

The answer is b

Explanation:

passive immunity is basically a dead form of the bacteria

straight or amphibians are homeothermic to thermal