IMMUNE MEMORY

Doctors know kids get whooping cough vaccines early, but they still get sick sometimes. That’s why researchers tested blood from three groups of children who got different vaccine versions. Group one had an older whole-cell shot first, then two newer acellular boosters. Group two started with one ac

Hepatitis E is a liver infection that can be quite serious. It is caused by a virus. The body's immune system plays a big role in fighting it off. The immune system has a memory. It remembers how to fight off infections it has seen before. This memory is crucial for preventing future infections.