No appointment needed to get COVID vaccine at these Jersey City locations; plus, more appointments open in Secaucus, Hoboken Updated Apr 28, 2021; It’s getting easier to get the COVID vaccine, with many sites now offering it on a walk-in basis, no appointment necessary. In Jersey City, the North Hudson Community Action Corp. is allowing walk-ins to be vaccinated from 9 a.m. to 4 p.m. tomorrow and Friday, April 29 and 30, at its pop-up site at Hudson County Community College, 71 Sip Ave. Jersey City Health Department sites where you can walk in and get vaccinated every week are: Bethune Center, 140 Martin Luther King Drive, 9 a.m. to 5 p.m. Monday-Friday;