0 protection against disease in the form of antibodies (= substances in the blood that fight disease) that come from someone else, for example from the mother's milk
1 protection against disease in the form of antibodies (= substances in the blood that fight disease) that come from someone else, for example, from the mother's milk
Any passive immunity conferred would disappear rapidly, any persistent activity was due to newly produced antitoxin.
Passive immunity to experimental trypanosomiasis.
This is passive immunity because the fetus does not actually make any memory cells or antibodiesit only borrows them.
This passive immunity is usually short-term, lasting from a few days up to several months.
This is known as passive immunity, and the serum that is isolated from one subject and injected into another is sometimes called antiserum.
Diphtheria antitoxin was serum from horses which had been immunized against diphtheria and was used to treat human cases by providing passive immunity.
Interestingly, insects, along with having passive immunity, also show evidence of acquired immunity.
These diseases are often treated by inducing a short term form of immunity called passive immunity.
