“…Building on our team’s ongoing expertise using social media, including Facebook, text messaging, and apps to promote HIV testing (Sun, et al, 2016; Sun, et al, 2015; Bachmann, et al, 2013; Rhodes, 2004; Rhodes, et al, 2011) as well as our research with youth and young adults with HIV (Tanner, et al, 2014; Tanner, et al, 2014; Tanner, et al, 2012; Tanner, 2008; Philbin, et al, 2014; Philbin, et al, 2014; Tanner, et al, 2014; Tanner, et al, 2013; Vissman, et al, 2011; Vissman, et al, 2013), we are in the development phase of a 4-year Health Resources and Services Administration (HRSA) funded project to design a social media intervention to improve care linkage and retention among underserved, underinsured, and hard-to-reach, racially and ethnically diverse young MSM with HIV. The purpose of this paper is to describe design and development of, weCare, our social media-based intervention to improve care linkage and retention and health outcomes among racially and ethnically diverse MSM, ages 13–34, living with HIV.…”