Arwady and other officials will be announcing "the launch of a Vaccine Ambassador course, providing free online training for Chicagoans to become trusted vaccine education ambassadors in their own communities," CDPH said. The new program comes as the city looks to expand ways in which it brings COVID vaccinations to different populations and communities across Chicago. Chicago and Illinois officials announced Monday that teams to vaccinate people will be dispatched to workplaces and commercial buildings in a new effort. The workplace vaccinations will begin in mid-May with 10 sites in Chicago, Schaumburg and Rockford in the first wave of the program. The Chicago sites are: