Employers can require COVID-19 vaccination, but there are exceptions. Here’s what you and your boss need to know. Employers can require COVID-19 vaccination, but there are exceptions. Here’s what you and your boss need to know. December 14, 2020 dzadmin Comments 0 Comment As COVID-19 vaccinations start in Chicago, employers are contemplating how to urge workers to get inoculated — and whether to make the coronavirus shot mandatory.