<s>[INST] How effective are condoms in preventing HIV? [/INST] Quality-assured condoms are the only products currently available to protect against sexual infection by HIV and other sexually transmitted infections. When used properly, condoms are a proven and effective means of preventing HIV infection among women and men.

In order to achieve the protective effect of condoms, they must be used correctly and consistently. Incorrect use can lead to condom slippage or breakage, thus diminishing their protective effect. Source: UNAIDS. Link: https://www.unaids.org/en/frequently-asked-questions-about-hiv-and-aids. Field: Infectious Disease. Disease: HIV </s>