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. 2014 Aug 18;9(8):e105283. doi: 10.1371/journal.pone.0105283

Figure 1. Minimum acceptable level of protection afforded by (PrEP) according to participant opinion on Health Canada Approval of PrEP in Canada.

Figure 1

Histogram demonstrating the distribution of minimum acceptable PrEP efficacy according to whether study participants believe that PrEP should be approved for use by Health Canada. Respondents were asked “What is the MINIMUM level of protection you would consider reasonable for PrEP use to be recommended to individuals at high risk of HIV infection?” Respondents were then divided based on whether they answered yes (‘‘yes’’) or no or maybe (‘‘no’’) to the question: “According to one study among MSM, oral PrEP provided 44% protection against HIV infection overall and 73% protection in participants who used PrEP consistently (i.e. took the medication on a regular schedule and did not miss doses). Other studies show that PrEP provides a similar level of protection among heterosexual men and women. Considering this level of protection, do you believe Health Canada should approve PrEP for use in Canada?’’