Unproven

But almost overnight, these cutting-edge RNA vaccine efforts have leaped forward as top candidates to fight covid-19. Some developers plan to have tens of millions of doses ready by the end of the year.Elegant in theory, efficacious in the laboratory but untested in the real world, the possible RNA vaccines are especially attractive because they…

African-Americans with a certain genetic variant that puts them at increased risk of sudden cardiac death -- along with socioeconomic and cultural factors -- could contribute to the racial health disparities seen among COVID-19 victims.Writing in the journal Heart Rhythm, the official publication of the Heart Rhythm Society and the Cardiac Electrophysiology Society, published by…

But those dire warnings appear to have done little to change the president’s opinion. On Monday, toward the end of a roundtable event with restaurant industry executives at the White House, Trump offered his strongest endorsement of the drug to date.“I’m taking it — hydroxychloroquine,” Trump said. “Right now.”He later told reporters: “I was just…

CLOSE A Los Angeles County test is looking for pivotal information about whether people can develop immunity that helps them fight off future infections. USA TODAYCompanies are lining up to market an emerging type of blood test to detect whether a person has ever had the novel coronavirus. These antibody tests could be critical to…