The United States set a one-day record with over 1 million coronavirus diagnostic tests being performed, but the country needs 6 million to 10 million a day to bring outbreaks under control, according to various experts.

U.S. manufacturers are sharply increasing production of cheap, fast – but less accurate – Covid-19 tests, aiming for 100 million per month by year-end 2020 that will enable schools and workplaces to significantly expand testing.

A Covid-19 vaccine could be broadly rolled out in the United States by the middle of 2021 or a little later, the head of the federal government’s disease control agency said.

Becton Dickinson is investigating reports from U.S. nursing homes that the company’s rapid coronavirus testing equipment is producing false-positive results.

The number of new cases of the novel coronavirus reported in the United States fell 15 percent last week from the previous seven days, and deaths fell for a fourth week in a row, according to a Reuters analysis.

The Trump administration will send most of its newly purchased 150 million rapid Covid-19 tests to U.S. states for schools and critical services, a White House official said, as New York City pushed back reopening classrooms in a deal with union leaders.

A majority of U.S. states have rejected new Trump administration Covid-19 testing guidance in an extraordinary rebuke of the nation’s top agency for disease prevention, according to officials at state health agencies and public statements reviewed by Reuters.

First U.S. novel coronavirus reinfection case identified in Nevada study (Reuters) – Researchers for the first time have identified someone in the United States who was reinfected with the novel coronavirus, according to a study that has not yet been reviewed by outside experts. The report, published online, describes a 25-year-old man living in Reno, […]

Several large U.S. states are not heeding new federal health officials’ calls to reduce Covid-19 testing of some exposed to the virus, joining a broad rebuke of the Trump administration by public health leaders.

The Trump administration will purchase 150 million rapid coronavirus tests from Abbott Laboratories for about $750 million, a White House spokeswoman said.