Immunity from vaccination
o lasts longer than natural immunity
o only lasts for a few days
is not as effective as natural immunity
o prevents disease 100 percent of the time

Immunity from vaccination is not as effective as the natural immunity.

Explanation:

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. Once a microbe penetrates the body's skin, mucous membranes, or other primary defenses, it interacts with the immune system.

a. to encourage apoptosis