How Much Herd Immunity Is Enough?

Scientists initially estimated that 60 to 70 percent of the population needed to acquire resistance to the coronavirus to banish it. Now Dr. Anthony Fauci and others are quietly shifting that number upward. View original article Contributor: Donald G. McNeil Jr.

Pfizer and BioNTech to Supply U.S. With Additional 100 Million Doses of COVID-19 Vaccine

(WASHINGTON) — Pfizer said Wednesday it will supply the U.S. government with an additional 100 million doses of its COVID-19 vaccine under a new agreement between the pharmaceutical giant and the Trump administration. Pfizer and its German partner BioNTech said that will bring their total current commitment to 200 million doses for the U.S. That … Read more