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Michelle Morse, New York City’s acting health commissioner, shares her public health priorities for the residents of the largest city in the U.S.—and how her global health experience influences her work today.

A pediatric infectious disease doctor explains what causes walking pneumonia, how it’s treated, and what parents should know about the recent rise in cases among young children.

Will Garden House Compound, a sprawling maze of makeshift shelters outside Lusaka, Zambia, become a hotspot once again for another deadly cholera outbreak during the upcoming rainy season? 

The cholera outbreak that swept Zambia in early 2024 highlighted the urgent need for improved water and sanitation infrastructure, especially in urban areas. But the crisis spotlighted another critical factor, too: the stigma surrounding the disease.

Powder made from dead cells of soil-dwelling bacterial species also kills mosquitoes resistant to chemical pesticides.