Authorities in Ohio say there is no indication of any risk to public health from the derailment of a Norfolk Southern cargo train between Dayton and Columbus, the second derailment of a company train in the state in a month.
A crucial question has eluded governments and health agencies around the world since the COVID-19 pandemic began: Did the virus originate in animals or leak from a Chinese lab?
Moderna’s COVID vaccine grew out of a longstanding collaboration with the U.S. National Institutes of Health, and the government granted the company nearly $2 billion to develop the shot.
Elevated levels of air pollutants are associated with bone damage among postmenopausal women, according to new research led by scientists at Columbia University Mailman School of Public Health.