As scientists, we often think we understand a virus—its structure, its tricks, the way it moves through the body. But every ...

Immunization programs save millions of lives every year by protecting against preventable diseases. The immune response to ...

If you're constantly battling colds, your spleen could be the hidden reason. Discover how this organ affects your immune ...

Our blood consists of many cell types that develop through different stages from a precursor type -- the blood stem cell. An international research team has now investigated the developmental pathways ...

Discover the connection between blood disorders and cancer development, plus the 5 key signs that require immediate medical ...

Immunotherapy enhances the body’s natural defense mechanisms to fight cancer by making immune cells more effective at ...

White blood cells circulate in the blood ... If pathogens manage to bypass the innate immune system, macrophages will attack them. Macrophages will also produce substances called cytokines ...

These take instructions from the white blood cells known as dendritic cells, which he refers to as the "generals" of the immune system. When these generals sense danger they become excited and send ...

Dengue virus pushes dendritic cells to churn out molecules called pro-inflammatory cytokines, which send the immune system into overdrive ... to show exactly how Zika virus accomplishes its sneak ...

This makes the blood thinner and increases the ... Many cancers also develop ways to hide from or suppress the immune system, making them harder to attack even with immunotherapy.

This protection is necessary because if the immune system recognizes them as foreign, it may attack them -- a common ... stem cells (HSCs), which generate blood cells and are often used by ...