While the first shots against COVID-19 are rolling out in the United States, Britain and Canada, nearly a quarter of the world’s population likely will not have access to a vaccine until at least 2022, according to Epidemiologist Hilda Aleman reacts upon receiving the Pfizer-BioNTech COVID-19 vaccine, in San Juan, Puerto Rico, Dec. 15, 2020.A … continue reading -> “While First COVID-19 Vaccines Arrive, Much of the World Will Have to Wait”