Video

Survival: The Hidden Invaders

November 29, 2008 | BBC/Rockhopper.tv

In Brazil, millions of people are infected with intestinal worms. Although there are effective drugs to treat worm infections, they’re not universally available and can’t prevent future infections. Now a team of scientists are trying to develop a vaccine against one of the most damaging parasites, hookworm. It will be the first vaccine against a multi-cellular organism. (Rockhopper.tv)