Why is the development of natural immunity to HIV so difficult?
A)The infection immediately overwhelms the immune system.
B)HIV lives inside the red blood cells.
C)About 1 percent of the HIV's genes mutate every year.
D)HIV produces antibodies against human antigens.
E)The human immune system does not recognize the HIV as an invader.

Question

Quizplus · Accepted Answer

About 1 percent of HIV's genes mutate every year making the development of natural immunity and the production of a vaccine difficult.

Why Is the Development of Natural Immunity to HIV So