NEET BIOLOGY

Detailed explanation-1: -Past infection with mumps makes a person immune to mumps. Studies show that most people born before 1957 were most likely infected with the mumps virus and have natural immunity. In addition, people who receive two doses of the mumps vaccine are much less likely to be infected.

Detailed explanation-2: -When you have the mumps, your immune system makes antibodies to fight the virus. These are called mumps IgM and IgG antibodies. You will also develop mumps antibodies after the mumps vaccine. Widespread vaccination of children has made mumps infections rare in the U.S. But the disease hasn’t gone away entirely.

Detailed explanation-3: -Natural Active Immunity An active immunity example is when someone is able to very easily fight off a common cold because they have previously had a common cold and their body has antibodies to the virus that causes the common cold.

Detailed explanation-4: -rubella, mumps, and poliovirus all afford passively acquired protection to the developing fetus. recipient with preformed antibodies. Passive immunization provided a major defense against various infectious diseases in past days.