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Skip to main content Official websites use .gov A .gov website belongs to an official government organization in the United States. Secure .gov websites use HTTPS A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites. News & Events Recent News Releases Study measuring changes in protein structure establishes new class of Alzheimer’s biomarkers February 27, 2026 — NIH-funded insights into Alzheimer’s biology could help with early diagnosis, future clinical trials NIH-supported trial reduces HIV incidence by 70% in rural populations February 24, 2026 — Study used technology to extend reach of existing infrastructure, linking people to care. NIH halts arm of clinical trial evaluating a potential stroke treatment February 10, 2026 — Study found low-dose rivaroxaban to be unsafe and ineffective compared to standard of care. For the Media Media Inquiries Submit an interview request or request for comment. Images and B-roll Visit the NIH Flickr site to view free-to-use NIH health research images, b-roll, infographics, and videos. Calendar of Events NIH Institute-sponsored or related events held at or near NIH's Bethesda, Maryland, campus or online. NIH on Social Media A listing of social media, multimedia, and outreach pages from across NIH’s institutes, centers, and offices. NIH News Publications NIH News in Health A monthly newsletter of practical consumer health news and information based on NIH research. NIH Research Matters A weekly update of research advances from the National Institutes of Health. NIH Record A biweekly newsletter for employees of the National Institutes of Health. The NIH Catalyst A bimonthly publication that showcases the research conducted by scientists, clinicians, and trainees at NIH. This page last reviewed on July 29, 2025 www.nih.gov An official website of the Department of Health and Human Services Looking for U.S. government information and services? Visit USA.gov