Since the 1990s,HIV transmission rates among intravenous drug users have been reduced from about 50% to about 10%.According to the text,which of these factors led to this decrease?
A)syringe exchange programs
B)sexual abstinence education
C)increased Narcotics Anonymous attendance
D)decreased use of hormonal contraceptives

Question

Quizplus · Accepted Answer

Syringe exchange programs provide clean needles to intravenous drug users, reducing the risk of HIV transmission through shared needles. This has been a key factor in the reduction of HIV transmission rates among intravenous drug users since the 1990s. Sexual abstinence education, increased Narcotics Anonymous attendance, and decreased use of hormonal contraceptives are not directly related to reducing HIV transmission rates among intravenous drug users.

Since the 1990s,HIV Transmission Rates Among Intravenous Drug Users Have