The United States reported 46,436 new coronavirus cases and 1,356 new virus-related deaths on Wednesday, according to Johns Hopkins University.

The US has now recorded at least 5,529,824 Covid-19 infections, including 173,177 related fatalities, JHU reported.

The US Food and Drug Administration said Wednesday it had authorized a new antigen test to diagnose coronavirus infection - the third test of its kind to receive emergency use authorization from the agency.

The British-made LumiraDx test can analyze a sample within 12 minutes, the FDA said.