Every bite, breath, or bug that enters your body passes through your gut. Luckily, your gut’s got a squad of immune cells ...

Antiretroviral treatments for HIV (human immunodeficiency virus) have been extremely successful in extending life expectancy ...

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The virus enters the body through mucous membranes during sexual contact, needle-sharing, or from mother to child during pregnancy, childbirth, or breastfeeding.

At the International AIDS Society meeting this year, a young woman from South Africa spoke. She is the first Black woman from ...

HIV impacts oral health. Infections and sores appear in the mouth. Canker sores and oral thrush are common. Oral hygiene is ...

This story has been edited to correct an erroneous description of drugs that keep HIV from spreading in the body as antivirals. Such drugs are known as antiretrovirals.

Sundquist’s research focuses on understanding how the HIV virus is built on a molecular level and how it interacts with the body to infect and spread through cells. By purifying and analyzing the ...

Human immunodeficiency virus, or HIV, is a virus that destroys human T-cells, the parts of the body that fight infection in your immune system, according to the Cleveland Clinic.

Scientists in Japan have discovered a genetic "silencer" within the HTLV-1 virus that helps it stay hidden in the body, evading the immune system for decades. This silencer element ...

Stopping those drugs lets the virus start multiplying in the body again, and it could become drug-resistant. HIV can rebound to detectable levels in people’s blood in just a few weeks, putting ...