| Share | Cite. Naturally acquired active immunity occurs when the person is exposed to a live pathogen, develops the disease, and becomes immune as a result of the primary immune response.Artificially acquired active immunity can be induced by a vaccine, a substance that contains the antigen.A vaccine stimulates a primary response against the antigen without causing symptoms of the disease (see vaccination).rtificially acquired active immunity can be induced by a vaccine, a substance that contains the antigen. A vaccine stimulates a primary response against the antigen without causing symptoms of the disease (see vaccination).
Definition of âequanimityâ - English Dictionary. See all translations. uk â /Ëek.wÉËnÉªm.É.ti/ us â /Ëek.wÉËnÉªm.É.tÌ¬i/ formal. âº a calm mental state, especially after a shock or disappointment or in a difficult situation: He received the news of his mother's death with remarkable equanimity. Three years after the tragedy she has only just begun to regain her equanimity.
the act of equating or making equal; equalization: the symbolic equation of darkness with death. equally balanced state; equilibrium. Mathematics. an expression or a proposition, often algebraic, asserting the equality of two quantities.