When was passive immunity discovered and described?
In the late 19th century, specifically in 1890.
How long does active immunity last?
Active immunity can provide long-lasting protection, often for many years or even a lifetime
How does passive immunity differ from active immunity in terms of duration?
Passive immunity provides immediate, but temporary, protection because it involves the transfer of pre-formed antibodies rather than the production of antibodie
What did Louis Pasteur's experiments with vaccination lead to?
They became an early form of active immunity.
What is the main difference between active and passive immunity?
answer
Antigens are only encountered in
Active immune
Who discovered and described passive immunity?
Emil von Behring and Shibasaburo Kitasato.
How is passive immunity acquired naturally?
Natural passive immunity is acquired when antibodies are transferred from a mother to her baby across the placenta during pregnancy or through breastfeeding aft
How many ways are there to obtained vaccines?
4
What are the advantages of passive immunity?
Passive immunity provides rapid protection against a specific pathogen without the need for the recipient's immune system to produce antibodies.
A person is injected with a vaccine
Artificial
when a person gets sick, the immune system fights pathogens on its own and produces the necessary antibodies
Natural
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