Japanese researchers developed a blood test they say appears to serve as an early warning system for serious cases of Covid-19, and deployed 500 prototype machines to trial its effectiveness nationwide.

Europe’s healthcare regulator endorsed using dexamethasone to treat Covid-19 patients with breathing difficulties, paving the way for the steroid to become the region’s second approved treatment for the respiratory illness.

Global coronavirus cases exceeded 30 million, according to a Reuters tally, with the pandemic showing no signs of slowing.

One in seven cases of Covid-19 reported to the World Health Organization is a health worker and in some countries that figure rises to one in three, according to the WHO.

Seven U.S. states reported record one-day increases in Covid-19 cases so far in September even as the average daily number of new infections is falling nationally.

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.

U.S. drugmaker Merck & Co. Inc. began recruiting participants to the company’s early-stage Covid-19 vaccine study, according to the government database clinicaltrials.gov.

Qiagen readies launch of rapid COVID-19 antigen test (Reuters) – German diagnostic test maker Qiagen on Tuesday said it planned to launch a COVID-19 antigen test that can provide results […]

Several states in the U.S. Midwest and Northeast have seen new Covid-19 cases increase for two weeks in a row, though nationally both new infections and deaths last week remained on a downward trend, a Reuters analysis showed.

Coronavirus cases are rising in 22 of the 50 U.S. states, according to a Reuters analysis, a worrisome trend on a Labor Day holiday weekend traditionally filled with family gatherings and parties to mark the end of summer.