Question

differentiate between active and passive immunity.point wise and short no copying ​

Answer 1

Answer:

●PASSIVE IMMUNITY:-

• It is provided when a person is given antibodies to a disease rather than producing them through his or her own immune system.

•A newborn baby acquires passive immunity from its mother through the placenta.

•A person can also get passive immunity through antibody-containing blood products such as immune globulin, which may be given when immediate protection from a specific disease is needed.

•This is the major advantage to passive immunity; protection is immediate, whereas active immunity takes time (usually several weeks) to develop.

● ACTIVE IMMUNITY:-

• It results when exposure to a disease organism triggers the immune system to produce antibodies to that disease.

• Exposure to the disease organism can occur through infection with the actual disease (resulting in natural immunity), or introduction of a killed or weakened form of the disease organism through vaccination (vaccine-induced immunity).

• Either way, if an immune person comes into contact with that disease in the future, their immune system will recognize it and immediately produce the antibodies needed to fight it.

•Active immunity is long-lasting, and sometimes life-long.

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