Are Migrants Driving the Epidemic?

People waiting for the Ferry to Botswana in Kazungula.

By Martha Henry When “Treatment as Prevention” was named Science magazine’s Breakthrough of the Year in 2011, there was optimism that we were closing in on AIDS. Results published from the HPTN 052 trial that year showed that in discordant couples, giving antiretroviral treatment (ART) to people with HIV not only was good for their own health, but also lowered the levels of HIV in their blood to undetectable levels, making the…