How South Africa, the nation hardest-hit by HIV, plans to 'end AIDS'

Nearly one in five people infected with HIV globally lives in South Africa, and only half of them are on treatment. But the nation has made major strides against the virus in recent years and now is aggressively moving implementing a plan to end the epidemic. William Brangham reports in the final installment of our series "The End of AIDS?"

Видео How South Africa, the nation hardest-hit by HIV, plans to 'end AIDS' канала PBS NewsHour