The United States has opened investigations into imports of medical equipment such as surgical masks, and industrial machinery, in moves that could lead to new tariffs.

COVID cases are hitting record numbers — on Monday, for example, more than one million new coronavirus cases were recorded in the U.S. alone — with the CDC estimating that for the week ending January ...

Nurses, researchers and workplace safety officers worry new guidelines from the Centers for Disease Control and Prevention might reduce protection against the coronavirus and other airborne pathogens ...