Artificially acquired immunity is any immunity conferred to the body through non-natural means, by introducing a specially designed version of a whole or part of a pathogen to stim...
immunity arising from exposure to antigens.
The adaptive immune system, also known as the acquired immune or, more
rarely, as the specific immune system, is a subsystem of the overall immune
Acquired (adaptive or specific) immunity is not present at birth. It is learned. As a
person's immune system encounters foreign substances (antigens), the ...
Some vaccines are made from microbes that have been killed. Such subunit vaccines , which are now available for meningitis, pneumonia, and hepatitis B, produce the desired immunity
without stirring up separate and potentially harmful immune
reactions to the many antige... More »
Acquired immunity: Immunity acquired by infection or vaccination (active
immunity) or by the transfer of antibody or lymphocytes from an immune donor (
Immunity obtained either from the development of antibodies in response to
exposure to an antigen, as from vaccination or an attack of an infectious disease,
The body's third line of defense is the adaptive immune system, also called the
acquired immune system because we are not born with it, but acquire it through ...
the condition of being immune; the protection against infectious disease
conferred either by the immune response generated by immunization or previous
Innate immunity refers to nonspecific defense mechanisms that come into play
immediately or within hours of an antigen's appearance in the body.