Global Health

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.