A study by scientists from the University of Southampton has examined the chances of catching COVID-19 in a train carriage carrying an infectious person. Based on high-speed routes in China, researchers...

A study of nearly 400 pregnant women in New York City is among the first to show that lower neighborhood socioeconomic status and greater household crowding increase the risk of becoming infected with...

Without access to soap and clean water, more than 2 billion people in low- and middle-income nations – a quarter of the world’s population – have a greater likelihood of acquiring and...