Diseases, Conditions, Syndromes

Morgue data reveal Africa's high COVID-19 death toll

A new study led by Boston University School of Public Health found that nearly 90 percent of deceased individuals at a Zambian morgue were infected with COVID-19, but only 10 percent tested positive while alive.

Diseases, Conditions, Syndromes

Contact tracing data sheds light on COVID-19 spread in New York City

A study led by researchers at Columbia University Mailman School of Public Health uses contract tracing data to produce a detailed map to date of SARS-CoV-2 spread in New York City. They found that the city's contact tracing ...

Overweight & Obesity

'New and improved' supermarkets trim childhood obesity in NYC

Access to newer supermarkets that offer fresh foods in some of New York City's poorest neighborhoods was linked to a 1% decline in obesity rates among public school students living nearby, a new study shows. The modernized ...

Diseases, Conditions, Syndromes

One in three Americans had COVID-19 by the end of 2020

A new study published in the journal Nature estimates that 103 million Americans, or 31 percent of the U.S. population, had been infected with SARS-CoV-2 by the end of 2020. Columbia University Mailman School of Public Health ...

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