Sunday Links: Johnson & Johnson's COVID-19 Vaccine Gets Emergency Use Authorization by FDA Johnson & Johnson's single-dose COVID-19 vaccine was given the green light by the FDA Saturday for emergency use purposes. Millions of doses of this third effective vaccine — which unlike Pfizer and Moderna's units, only requires one injection — could reach Americans by early next week; though not as efficacious as the other two multi-dose vaccines, Fauci would like to remind everyone they should "just be really grateful" that these vaccines even exist in the first place. [NYT/The Hill] Bay Area ren...