B cells focus on attacking invading viruses ... people being hospitalized with the virus than vaccinated people. Having a low ...

For the first time, the treatments would be aimed not at the virus itself, but at a portal through which HIV enters white blood cells and attacks the immune system. Scientists in 1996 identified ...

Let’s look at the biology of immunizations. The basic idea behind immunizations is to allow the human immune system to ...

Developing a vaccine is difficult at the best of times, but rarely have we been in a situation where basic knowledge about a virus has to be acquired so ... Two types of white blood cell are important ...

Recently, scientists were astonished to find that some individuals did not become infected with HIV, even after repeated exposure to the deadly virus. For some reason, they were immune.