Question

do you agree or not and why?

Active and passive immunity are both important host characteristics that limit the production of infectious disease agents. Active immunity occurs when the immune system of a host produces antibodies from the direct exposure to a disease. This form of immunity is long-lasting, and sometimes life-long. An example of this is an individual exposed to the measles virus for the first time. This individual will unfortunately become infected, but any future exposure will not cause infection. This is because the host’s body will recognize the antigen and will have antibodies prepared to fight it off. An introduction to a weakened/killed form of measles via vaccination is another example of active immunity. Passive immunity is when antibodies for a disease are given to a person, rather than produced in the body on its own. A primary example of this is the transfer of IgG and IgA chickenpox antibodies from a mother’s milk to her infant. If the mother was given a chicken pox vaccine, she will have immunity which is also transferred to the baby. However, this immunity is short term and only lasts for a few months.

Answer 1

Yes, i am agree.

Active Immunity

Because An example of natural activity immunity is fighting off a cold. An example of artificial active immunity is building up a resistance to a disease due to an immunization. An allergic reaction is an extreme response to an antigen, resulting from active immunity.

Passive Immunity

An example of natural passive immunity is a baby's protection against certain infections by getting antibodies through colostrum or breast milk. An example of artificial passive immunity is getting an injection of antisera, which is a suspension of antibody particles. Another example is the injection of snake antivenom following a bite.

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