Vaccine Roundup

Finally, a U.S. Vaccination Plan

A roundup of the most important Covid-19 vaccine news this week

Credit: Al Seib/Getty Images

There are now 20 vaccines in phase 3 trials, eight approved for limited use, and two approved for full use in some countries after fully completing phase 3 trials — the vaccines from Pfizer-BioNTech and Sinopharm. (Those from Moderna and…