Enlarge / Former Slovak Prime Minister Igor Matovic wears a face mask as he gives a press statement at the International Airport in Kosice, Slovakia,...
Enlarge / A sign requiring protective face masks in Detroit, Michigan, on Sunday, March 21, 2021. Getty | BloombergEven as the pace of vaccination in...
Enlarge / People practice social distancing in white circles in Domino Park in Williamsburg during the coronavirus pandemic on May 17, 2020, in New York...
Enlarge / A healthcare worker administers a dose of the Pfizer-BioNTech Covid-19 vaccine inside the Viejas Arena on the campus of San Diego State University...
Enlarge / A vial of the current Moderna COVID-19 vaccine.Getty | Ivan RomanoResearchers have given out the first jabs of a tweaked version of Moderna’s...
Enlarge / US President Donald Trump, right, listens to Deborah Birx, coronavirus response coordinator, as she speaks during a news conference in the White House...
Enlarge / A vial of the AstraZeneca/Oxford vaccine is pictured at a coronavirus vaccination centre at the Wanda Metropolitano stadium in Madrid on March 24,...