Chicago hosting vaccination pop-up events through Memorial Day weekend By FOX 32 Digital Staff Published Illinois health officials are turning to sewage to find cases of coronavirus before it spreads. CHICAGO - The city's health department announced a lineup of several vaccination events this week and into the holiday weekend to increase vaccine access for residents bound to their communities. Taking place at parks, farmers markets, churches and other community focal points, the events are designed to help bring vaccines to Chicago's underserved neighborhoods. The latest vaccination efforts come under the Protect Chicago Plus plan, which focuses on neighborhoods most in-need of vaccinations.