Publications by authors named "David A Kalwicz"

Background: Scientific evidence indicates that HIV viral suppression to an undetectable level eliminates sexual transmission risk ("Undetectable=Untransmittable" or "U=U"). However, U=U messaging has been met with skepticism among sexual minority men (SMM) and others. In this survey-based experiment, we manipulated messaging about HIV risk and examined reactions and perceived message accuracy among US SMM.

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PrEP has been reported to facilitate openness to serodifferent sexual partnerships among sexual minority men (SMM). However, other aspects of a sexual scenario likely come into play, including whether or not condoms are used and whether or not the partner living with HIV has an undetectable viral load. This online survey study evaluated the association between PrEP status and openness to serodifferent partnering, as well as the effects of various sexual scenario variables (condom use and partner's viral load) among 268 HIV-negative SMM in the US.

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The Undetectable = Untransmittable (U = U) message and its scientific underpinnings have been widely suggested to reduce HIV stigma. However, misunderstanding and skepticism about U = U may prevent this destigmatizing potential from being fully realized. This cross-sectional study examined associations between U = U belief (belief that someone with a sustained undetectable viral load has zero risk of sexually transmitting HIV) and HIV stigma among US sexual minority men.

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Background: The Undetectable=Untransmittable (U=U) message has been promoted since it was demonstrated that viral suppression through HIV treatment prevents sexual transmission between serodiscordant partners (HIV treatment as prevention). Our study assessed familiarity with, perceived accuracy of, and willingness to rely on U=U in a national sample of gay and bisexual men in Australia.

Methods: We conducted a national, online cross-sectional survey in April-June 2021.

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Background: The Undetectable=Untransmittable (U=U) message has been promoted since it was demonstrated that viral suppression through HIV treatment prevents sexual transmission between serodiscordant partners (HIV treatment as prevention). Our study assessed familiarity with, perceived accuracy of, and willingness to rely on U=U in a national sample of gay and bisexual men in Australia.

Methods: We conducted a national, online cross-sectional survey in April-June 2021.

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Disparities in HIV incidence and PrEP uptake suggest a need to prioritize Black sexual minority men (SMM) in PrEP social marketing initiatives. However, images linking Black SMM to HIV and PrEP may inadvertently reinforce stigma. We examined HIV-negative/status-unknown Black SMM's responses to targeted PrEP advertisements using mixed methods, including an experiment embedded in a longitudinal online survey (Time 1: n = 96; Time 2 [eight weeks]: n = 73) and four focus groups (n = 18).

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The high incidence of HIV among US Black sexual minority men is a public health crisis that pre-exposure prophylaxis (PrEP) for HIV can help address. Public health campaigns, which often include pictures of Black sexual minority men alongside PrEP-related messaging, have been developed to encourage PrEP awareness and uptake. However, the acceptability of the messaging within these campaigns among Black sexual minority men is unclear.

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Social biases may influence providers' judgments related to pre-exposure prophylaxis (PrEP) and patients' consequent PrEP access. US primary and HIV care providers (n = 370) completed an experimental survey. Each provider reviewed one fictitious medical record of a patient seeking PrEP.

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