India Close to Being Polio-free, But Challenges Still Remain

Aired: 2/20/2012 | 0:07:09 | Clip
Health officials in India are close to wiping out polio, a disease forgotten in most of the world but still endemic in some developing countries. Special correspondent Fred de Sam Lazaro reports on India's challenge to remain vigilant in its campaign to immunize children one mouthful at a time.