(CNN) The US has a fourth of global coronavirus cases and as officials work to slow its rampant spread, face coverings remain a point of contention with some local authorities declining to enforce mandates. The county has reported more than 100,000 coronavirus cases -- more cases than all but 12 states. White House coronavirus response coordinator Dr. Deborah Birx highlighted the importance of face coverings during a stop in Kentucky over the weekend. The US currently has 4.2 million coronavirus cases, a fourth of the global total of 16.2 million, according to Johns Hopkins University . The guidelines recommend local officials keep schools closed if there is substantial, uncontrolled transmission of the virus in an area.

Source: CNN July 27, 2020 07:12 UTC