Laboratory workers work in the pilot production phase of Russia's Sputnik V Coronavirus vaccine for COVID-19 at the pharmaceutical company Uniao Quimica in Brasilia, Brazil, Monday, Jan. 25, 2021. (AP Photo/Eraldo Peres)

Laboratory employees work on the pilot production phase of Russia's Sputnik V Coronavirus vaccine for COVID-19 at the pharmaceutical company Uniao Quimica in Brasilia, Brazil, Monday, Jan. 25, 2021. (AP Photo/Eraldo Peres)

Laboratory employees work on the pilot production phase of Russia's Sputnik V Coronavirus vaccine for COVID-19 at the pharmaceutical company Uniao Quimica in Brasilia, Brazil, Monday, Jan. 25, 2021. (AP Photo/Eraldo Peres)

A laboratory employee works on the pilot production phase of Russia's Sputnik V Coronavirus vaccine for COVID-19 at the pharmaceutical company Uniao Quimica in Brasilia, Brazil, Monday, Jan. 25, 2021. (AP Photo/Eraldo Peres)

Owner Daiana Goldberger grooms a dog at You Lucky Dog Grooming during the COVID-19 pandemic in Mississauga, Ontario, Tuesday, May 19, 2020. The Ontario government is allowing some services to reopen as part of phase one. (Nathan Denette/The Canadian Press via AP), APTOPIX