By now, you have likely heard about different variants that first raised trouble in the United Kingdom, South Africa, Brazil, and now maybe California — though the jury is very much out on whether that last one is cause for concern.

The FDA Sunday issued an emergency authorization for doctors to treat COVID-19 using blood plasma from patients who’ve recovered from the disease. STAT answers the major questions surrounding convalescent plasma as a treatment and the science supporting its use.

In a little over two minutes, Flo & Joan breathlessly capture a year that will live on in infamy.