Mayor Bill de Blasio observes the vaccination of health care worker Tara Easter at NYU Langone Health, Manhattan on December 14, 2020. Photo: Ed Reed/Mayoral Photography Office. Four New COVID Facts SARS-CoV-2, the virus that causes COVID-19, is a definite puzzler, but months into the pandemic, the pieces are starting... News 15 Dec 2020 | 03:47