NEED ANSWER ASAP The US Centers for Disease Control and Prevention reports that condoms are effective in preventing HIV infection. In a two-year study of couples in which one partner was HIV-positive and the other HIV-negative, no HIV-negative partner was infected when condoms were used correctly and consistently. Among couples in which condom use was inconsistent, 10 percent of the HIV-negative partners became infected.

– “Condom Effectiveness”

Which statement best summarizes the effectiveness of condoms in preventing HIV infection?

Condoms are always effective.
Condoms are effective if used correctly.
Condoms are effective if used consistently.
Condoms are effective if used correctly and consistently.