“…For example, U.S. regulations specifically enumerate only children, prisoners, and pregnant women as vulnerable populations. In practice, however, U.S. institutional review boards frequently consider mentally ill persons, students, non-English speakers, sexual minorities, and HIVinfected persons to be vulnerable (Backlar, 2000;Delano, 2006;Levine, Dubler, & Levine, 2001;Tickle & Heatherton, 2006;Perry, 2011;White, 2007;Yanos, Stanley, & Greene, 2009). Uganda's 2007 National Guidelines for Research Involving Humans as Research Participants enumerates the following additional groups as vulnerable in the context of research: mature and emancipated minors; fetuses; persons who are homeless; and members of the armed forces (Uganda National Council for Science and Technology, 2007).…”