Terms in this set (8)
exposing a person to a foreign substance that is not pathogenic, but will still elicit robust and reliable immune response (similar to getting the infection naturally)
A form of acquired immunity in which the body produces its own antibodies against disease-causing antigens; vaccine administration
An individual does not produce his or her own antibodies, but rather receives them directly from another source, such as mother to infant through breast milk (IgA) or placenta (IgG) OR antivenoms when you get a spider bite!
how are vaccines created?
Vaccines are created from pathogen proteins, fragments of the pathogen's cells, or whole dead cells --- then the pathogen cultured-- the proteins are purified and inactivated/weakened.
how do toxoids work?
1.) a chemically modified, nontoxic form of the
2.) the body makes antibodies that disable the toxoid and remain in the body to provide immunity
3.) if the body encounters the diphtheria toxin, the existing antibodies will fight it off
the purpose of booster shots
every time you get a booster shot (tetanus shots take place 3x as a kid), you get re-introduced to the toxoid, which causes the body to stimulate more antibodies= increasing antibodies and memory B-cells = by the 3rd time you have an even higher immunity
Because of anti-vaxxers, we've had outbreaks of:
- Typhoid fever
- Whooping cough
- Chicken pox
Herd immunity occurs when a majority of a population are vaccinated, protecting the few that are not. Is it real? faaack yeah it is
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