A protein called CD47 that helps damaged cells avoid destruction by the immune system may be contributing to severe cases of Covid-19, researchers suggested in a report. In other news, Gilead Sciences Inc.’s intravenous antiviral drug remdesivir helped keep high-risk Covid-19 patients out of the hospital in a randomized trial.

COVID-19 cases still surging in the Americas, the WHO warns BRASILIA (Reuters) – COVID-19 cases are still surging in the Americas, averaging 150,000 a day in last week, the World […]

U.S. cases of the novel coronavirus surpassed six million as many states in the Midwest reported increasing infections, according to a Reuters tally.

U.S. deaths from the novel coronavirus surpassed 150,000, a number higher than in any other country and nearly a quarter of the world’s total, according to a Reuters tally.

Regeneron Pharmaceuticals – with the U.S. National Institute of Allergy and Infectious Diseases (NIAID) – is launching Phase III trials of REGN-COV2, the company’s two-antibody cocktail for the treatment and prevention of COVID-19.

Global coronavirus cases surpassed 6 million, according to a Reuters tally, as Latin America reported a grim milestone of 50,000 deaths from the disease.