Global Health

surveys suggest HIV infections rates are declining in Zimbabwe, Malawi, and Zambia

Turning the Corner on the HIV Epidemic

Findings from HIV surveys in Zimbabwe, Malawi, and Zambia reveal that the rate of new infections is stabilizing or declining in those countries.

Battling Arsenic Poisoning in Southeast Asia

Some 100 million people in southeast Asia drink from shallow wells originally drilled to provide germ-free water, but many are contaminated with arsenic. Columbia researchers, including Mailman School scientists, are working to combat the issue.

Rapid Ebola Diagnosis Needed

Reducing the time between Ebola diagnosis and treatment could dramatically alter the shape and size of the outbreak, says Columbia's Wafaa El-Sadr, MD.