Tim Sweeney had been a surgeon for only one year, but he was already fed up with a seemingly unsolvable and dangerous problem. Many patients who underwent a major operation or trauma seemed unwell ...

ASMAs were first discovered in 1965 in people with chronic active hepatitis. Usually, your immune system will attack foreign bodies like a parasite or a virus with the antibodies made for defending ...

Complement component 3, often called C3, is an essential protein of the immune system. This protein plays a vital role in the body’s innate immune system, providing: the first line of defense against ...

A newly developed blood test that measures a specific immune response in the body could help doctors gauge how much protection a person has against Covid-19, according to a new study. The test, which ...

Your immune system is your body’s built-in defense network, working nonstop to protect you from bacteria, viruses, and other ...

Canadian researchers say a blood test measuring immune response to gut bacteria could help predict Crohn’s disease years before diagnosis.

Scientists are getting a better handle on the complexities of how immunity works. Attentive readers might have noticed my absence over the last couple of weeks. I’ve been trying to recover from a bout ...

The vaccine immune response monitoring platform can identify weak responses in patients with cancer and help determine the potential need for a booster shot. A new vaccination immune response ...

How much protection do you currently have against COVID-19? The answer depends on so much: whether you’ve already had COVID-19 (and if so, how long ago); whether you’ve been vaccinated (and if so, how ...

Editor’s Note: Kent Sepkowitz is a physician and infectious disease expert at Memorial Sloan Kettering Cancer Center in New York. The views expressed in this commentary are his own. View more opinion ...

Research led by the SickKids Research Institute in Toronto and the University of Pennsylvania, has found that immune-related genes vary by location and cell type across the developing mouse brain ...