In Zambia, truck drivers and sex workers have high rates of being HIV positive —- and are at high risk of contracting the virus. Here's how they have been affected by the administration's policies.

Liz Ohlsen, program manager for the HIV/STD program for Alaska’s division of public health, said more than half of new HIV cases in the cluster were people under 34 years old.

It was during our conversation that it emerged that an unlikely alliance between sex workers and truck drivers has been intensifying the fight against HIV in the area.