https://ift.tt/2wwdHAe Coronavirus Briefing: What Happened Today AstraZeneca clinical trials in South Africa showed little protection against some forms of illness. BY JONATHAN WOLFE https://ift.tt/3aGOgwM February 9, 2021 at 05:30AM

By BY JONATHAN WOLFE from NYT U.S. https://ift.tt/3q4wdH9