This is really interetsing! I found it here: http://www.vaxaids.com when I was looking for info about the new HIV Vaccine.

Natural killer, or NK cells, are part of our innate immune system. A healthy body produces them to respond early during infection. They are activated and they kill cells infected with a given virus. 

It turns out NK cells are even more important to the body than previously thought. Researchers from Brown University and McGill University now know that the
cells also help keep...

Continue reading ...