UNIVERSITY PARK, Pa. — A milliliter of blood contains about 15 individual drops. For a person with human immunodeficiency virus (HIV), each drop of blood could contain anywhere from fewer than 20 ...
Medically reviewed by Renita White, MD A non-reactive HIV test result usually means you don't have HIV. Retesting may be necessary because of inaccurate results during the window period. HIV antibody ...
As of the end of 2023, nearly 40 million people worldwide were living with HIV, including approximately 1.2 million in the United States. In the same year, about 630,000 people globally died from AIDS ...