How Many People Need Vaccines to Reach Herd Immunity?
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Gal Gadot starts in the new release of Wonder Woman
Dinosaur fossil of Tyrannosaurus Rex
Letters from schoolchildren
Samantha Estes prepares garments to be photographed at the ThredUp sorting facility
Refugees attend a basic English lesson on the outskirts of Kuala Lumpur, Malaysia
Delmonico’s Restaurant in New York City in an undated photo
Man wearing protective face covering
Temporary tents erected outside of a restaurant