Background: Accurate HIV surveillance data are essential to monitor trends to help end the
HIV epidemic. Owing to strict policies around data security and confidentiality, HIV …

Background: Gay, bisexual, and other men who have sex with men (MSM) regularly
experience homophobic discrimination and stigma. While previous research has examined …

Background: Many men who have sex with men (MSM) use apps to connect with and meet
other MSM. Given that these apps are often used to arrange sexual encounters, it is possible …

Background: In the United States, young men who have sex with men (YMSM) remain
disproportionately affected by human immunodeficiency virus (HIV) and other sexually …

Background: More people are searching for immunization information online and potentially
being exposed to misinformation and antivaccination sentiment in content and discussions …

Background: Web-based approaches, specifically social media sites, represent a promising
approach for recruiting young gay and bisexual men for research studies. Little is known …

Background: The United States health care system remains far from implementing the
Centers for Disease Control and Prevention's recommendation of routine human …

Background: Epidemiologic research among migrant populations is limited by logistical,
methodological, and ethical challenges, but it is necessary for informing public health and …

Background: HIV testing guidelines provided by the Centers for Disease Control and
Prevention (CDC) are continually changing to reflect advancements in new testing …

Background: Many HIV (human immunodeficiency virus) prevention interventions are
currently being implemented and evaluated, with little information published on their …