The report on Tuesday of a powerful treatment for the new coronavirus brought skepticism along with optimism among U.S. doctors, who said the recent withdrawal of an influential COVID-19 study left them wanting to see more data.
Global pressure to find a cure or vaccine has accelerated the process of reporting coronavirus study results, feeding confusion over whether therapies have been proven effective. One influential COVID study was withdrawn this month by respected British medical journal The Lancet over data concerns.