States with low vaccination rates are already seeing an increase in cases due to the variant, former Food and Drug Administration chief Scott Gottlieb said Sunday on CBS's Face the Nation.

"So Connecticut, for example, where I am, shows no upsurge of infection, but Mississippi, Alabama, Arkansas, Missouri show very substantial upsurges of infections," he said. "That's based entirely on how much population-wide immunity you have based on vaccination."

• In a new study, researchers from Oxford University found that people who have had the coronavirus had a "loss of grey matter" in the parts of the brain involved with smell and taste.
• As Massachusetts approaches its 4.1 million vaccination goal, the focus is turning to small, local vaccination clinics.