Massachusetts October 17, 2021 9:12 am COVID-19 Vaccine Mandate Deadline for Mass. Employees Sunday is the deadline for thousands of Massachusetts employees to submit proof of COVID-19 vaccination or face possible termination by their state employer. US & World Videos 24:40 @Issue: How Mayor Wu is planning for incoming Trump administration 24:19 @Issue: Incoming and retiring lawmakers in Massachusetts 23:50 @Issue: Massachusetts votes to audit legislature 23:44 @Issue: How ‘No' prevailed in questions 4 & 5 24:48 @Issue: Shift of Latino voters towards Donald Trump