The approach employed by the research team could be used against other diseases—including COVID-19 and influenza.

Swollen lymph nodes may hurt or be tender to the touch. Even as the other signs of the acute HIV infection go away, swollen lymph nodes can persist in some people for many weeks or months.

It can present unique symptoms such as swollen lymph nodes and night sweats. It also poses a challenge in diagnosis and treatment in comparison to lymphoma in individuals without HIV.

"There are more than 800 lymph nodes throughout the body," says Dr. Ling. "Knowing which types of lymph nodes to target can lead to more tailored therapies or treatments and hopefully prevent HIV ...

The researchers examined the lymph nodes of healthy people and people with advanced HIV disease, finding increased IL-7 in the T-cell depleted lymph nodes of people with advanced HIV, Napolitano said.

Next, they couldn’t find HIV in lymph nodes, or lumps of immune tissue that contain white blood cells and fight infection. Lymph nodes in the limbs were the first to be HIV-free, followed by ...

Castleman disease is a rare condition that affects your body’s lymph nodes, causing one or more of them to enlarge. Castleman can become life threatening if not treated, causing infection and ...

A common sign that’s easily ignored Because swollen lymph nodes can be caused by many other infections and health conditions, they are often dismissed as being due to a cold or other minor illness.

The lymph nodes are where protective "B cells" are exposed to antigens—the substances that the body uses to recognize a given infection—and learn to produce the antibodies to fight back.