Rx for Survival: A Global Health... on PBS

Part 1 of this three-part series examines the role vaccines play in battling disease, and the limits of antibiotics in fighting infections. In India and Nigeria, vaccines target the world's last polio cases, but Kenya's battle against HIV/AIDS remains vexing. And in Peru, doctors struggle against drug-resistant strains of TB. “After years of fighting back,” says narrator Brad Pitt, “our medicines are failing.”