Inactivated Vaccine: Also known as killed vaccine, it contains the pathogen which has been killed by heat or chemical treatment.

Live-attenuated Vaccine: This vaccine contains live pathogen that is capable of replication, but which has been substantially weakened by chemical treatments.

World Health Organization: It is division of the United Nations (UN) which is responsible for handling all issues pertaining to health.


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Does adult immunization is different for different countries?

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