Question: Answers: The production of antibodies against a specific agent by the immune system. Active immune can be acquired two ways, By contacting an infectious disease, such as chicken pox's (for example) or vaccination such as polio (for example).nswers: The production of antibodies against a specific agent by the immune system. Active immune can be acquired two ways, By contacting an infectious disease, such as chicken pox's (for example) or vaccination such as polio (for example).
âº abbreviation for emergency room (= the place in a hospital for people who need immediate medical care): You should go to the ER if you have chest pains. (Definition of âERâ from the Cambridge Academic Content Dictionary Â© Cambridge University Press)
Medical Definition of Acute. Acute: Of abrupt onset, in reference to a disease. Acute often also connotes an illness that is of short duration, rapidly progressive, and in need of urgent care. Acute is a measure of the time scale of a disease and is in contrast to subacute and chronic..