The United States entered the final month of 2020 with expectations that promising vaccine candidates will soon be approved to halt the rapidly spreading coronavirus after 4.2 million new cases were reported in November.

Amgen, UCB and Takeda launched a global trial to identify whether any of three different drugs can reduce the severity of Covid-19 in hospitalized patients by moderating the immune system’s response to the disease.

New York City’s public schools will begin to reopen for in-person learning on Dec. 7, starting with elementary schools for students whose parents agree to weekly tests for the novel coronavirus, Mayor Bill de Blasio announced.

AstraZeneca said on Monday the company’s Covid-19 vaccine could be as much as 90% effective, giving the world’s fight against the global pandemic a new weapon, cheaper to make, easier to distribute and faster to scale-up than rivals.

Pfizer Inc. applied to U.S. health regulators for emergency use authorization (EUA) of the company’s Covid-19 vaccine, the first such application in a major step toward providing protection against the new coronavirus.

A roundup of some of the latest scientific studies on the novel coronavirus includes research on whether a childhood vaccine may help prevent severe Covid-19 and whether cigarette smoke increases cell vulnerability to Covid-19.

A new wave of mobile apps that help track exposure to the coronavirus is coming to U.S. states ahead of the holidays as public health officials bet that recently introduced features from Apple Inc. and Alphabet Inc.’s Google will significantly boost adoption and impact.

The new coronavirus was circulating in Italy during September 2019, a study by the National Cancer Institute (INT) of the Italian city of Milan shows, signaling that it might have spread beyond China earlier than believed.

In a Reuters roundup of some of the latest scientific studies on the novel coronavirus and efforts to find treatments and vaccines for Covid-19, common cold antibodies yield clues to Covid-19 behavior.

A roundup of some of the latest scientific studies on the novel coronavirus and efforts to find treatments and vaccines for Covid-19 shows that New York City first responders have high Covid-19 rates.