The immune system is the body’s tool for preventing or limiting infection. Its complex network of cells, organs, proteins, and tissues enables the immune system to defend the body from pathogens.

When suppressing the peptide-producing abilities of these proteasomes, scientist found that bacterial infections flourished and lowered overall survivability. This new piece of the body’s immune ...

Cancer immunotherapies, including cancer vaccines, harness and amplify the immune system’s natural ability to detect and attack cancer cells. In this illustration, immune T cells (pink) attach to a ...

The immune system is a complex network of cells, tissues, and organs that fight off infection. Your immune system can be affected by sleep, nutrition, hormones, and exercise. You can help improve ...

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The human body's immune system is the primary defense against the dengue virus. When someone is infected with dengue, the body's innate and adaptive immune responses work together to fight the virus.