LOS ANGELES - The number of novel coronavirus cases confirmed in a single day in the U.S. climbed to an all-time high of more than 50,000 on Thursday, with the infection curve rising in 40 out of 50 states in a reversal that has largely spared only the Northeast.
And as demand for COVID-19 testing rises, major test providers are sounding alarms about capacity issues — a problem that has plagued the U.S.
since the outset of the pandemic.In yet another alarming indicator, 36 states were seeing a rise in the percentage of COVID-19 tests that were coming back positive for the virus.