Herd immunity occurs when enough people in a group are immune to a specific infection that it cannot spread easily from person to person. Vaccination programs have been successful in creating herd ...

You contain multitudes. Within you there are billions of defenders, ready to protect your health from threats arising both outside and inside your body. This is your immune system, and it consists of ...

Researchers generate cutting-edge mouse models by engrafting human cells and tissue into the animals to better study the human immune system. Scientists have employed mouse models in immunological ...

Treatment with so-called BTK inhibitors has improved the prognosis for people with chronic lymphocytic leukemia (CLL). At the same time, these drugs affect the immune system and may cause side effects ...