One of the holy grails of modern medicine is the development of a vaccine against HIV, the virus that causes AIDs. An obstacle to attaining this goal has been the difficulty in stimulating the immune system to make it produce the right kinds of antibodies. A recent finding in Science ...
If you haven't seen these, check out Jake Young's collection of videos showing T cells getting infected by HIV. The best one is at the bottom of the post.
But that hasn't always been true. When I was in college, I had part-time jobs drawing blood from patients in the university hospital and as a phlebotomist at local plasma center. Plus, I was a volunteer EMT on an ambulance crew. Needless to say, I saw plenty of blood. And ...