Our Fitchburg-area COVID Testing is now located at 375 Nichols Road in Fitchburg. OUR TESTING HOURS HAVE CHANGED. Testing is available on the following days: Monday from 8:30am - 11:30am and 1pm - 3pm. Walk-ins only (no appointments), Open to the Public, Testing for exposure and symptomatic only. Follow the signs for testing. Learn More »..