03:13
HIV/AIDS: A Smart Enemy
Dr. Alexandra Levine, Chief of the Division of Hematology at the USC School of Medicine, explains that one of the things that makes the HIV virus so difficult is that it's a retro virus, which means it has the ability to take its genetic material an...
03:33
Germ Warfare: Vaccines and Childhood Diseases
The vaccine-preventable diseases of childhood are rarely seen in the industrialized nations of the world because of the immunization programs that exist. As the world health community gains control over polio, measles which kills 10% of the children...