Author Question: Although HIV and AIDS were not recognized until the early 1980s when the infection first appeared in ... (Read 70 times)

s.tung · **on:** Jun 18, 2018

Although HIV and AIDS were not recognized until the early 1980s when the infection first appeared in the United States, current research suggests they have been present in humans since the ________.

a. 1970s
b. 1960s
c. 1940s
d. 1900s

Question 2

The amount of time needed to detect measureable levels of antibodies using an HIV test is referred to as the ______________.

a. latent stage
b. latency period
c. incubation period
d. window period