Based on knowing the history of the HIV/AIDS pandemic, and of efforts to track its spread, you can conclude that it is likely that the incidence of HIV/AIDS among transfusion recipients has
A) increased since the discovery of HIV.
B) decreased since the discovery of HIV.
C) remained the same since the discovery of HIV.
D) never been more than a few individuals per year.

Question

Quizplus · Accepted Answer

Since the discovery of HIV, accurate screening tests have been developed and implemented in blood banks, resulting in a significant decrease in the number of transfusion recipients who contract HIV/AIDS. In the United States, for example, the risk of acquiring HIV/AIDS through a blood transfusion is now estimated to be less than one in two million.

Based on Knowing the History of the HIV/AIDS Pandemic, and of Efforts