A French medical worker handles vials of Covid-19 vaccine at the town hall of the 5th district in Paris on Monday, January 18, 2021. Nineteen Covid-19 vaccination centers are now open and administering Pfizer-BioNTech vaccines to seniors over age 75 and those with medical conditions that render them at-risk. The French government has declared a nationwide 6pm curfew instead of opting for a third national lockdown. Photo by David Silpa/UPI