Active immunity may be acquired by

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7.Human Health and Disease

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Active immunity may be acquired by

Natural infection

Vaccines

Toxoids

All of these

Solution

When a host is exposed to antigens. Which may be in the form of living or dead microbes or proteins, antibodies are produced in the host body. This type of immunity is called active immunity. All the three options are via media through, which an antigen enters into host body

Standard 12

Biology