How San Francisco plans to 'get to zero' HIV infections

Aired: 4/9/2015 | 0:09:02 | Clip
An ambitious new plan in San Francisco aims to completely end the transmission of HIV, which infects about 50,000 people every year. And in a city where huge strides have been made in battling the epidemic that's killed tens of thousands of people, public health officials, doctors and activists are increasing their efforts to bring the number of new HIV infections down to zero.