New York City Mayor Bill de Blasio released more details on his plan to mandate COVID-19 vaccines for workplaces, allowing for religious and medical exemptions. During a Wednesday news briefing, the Democrat mayor said private-sector workers in the city will have to receive at least one dose of COVID-19 vaccine starting Dec. 27 and have proof of a second dose within 45 days after the first for either the Pfizer or Moderna recipients. Johnson & Johnson requires only one shot. “We saw every single time we put a mandate in place, it was the decisive factor in getting a lot of people to move,” de Blasio, who is slated to leave office in the coming weeks, said in a press briefing. “So, I do not expect people to be losing their jobs because we have a body of evidence that shows that people make the decision, when it’s really the …