Which of the following actions has been most effective in reducing HIV infections in some countries?
a. ABC campaign
b. Free HIV immunizations
c. Religious leaders stressing abstinence or faithfulness in monogamous marriages
d. Public health workers distributing free condoms
ANS: A
Substantial reductions in HIV seroprevalence occurred after several countries deployed "ABC" (Abstinence, Be faithful, Condom use) strategies. There is not an immunization available to prevent HIV. The ABC strategy involves use of all three strategies, not just abstinence or condom use.
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