City of Ottawa issued the following announcement on Jan. 27.
Due to planned COVID-19 mass vaccination clinics, the following services will be available on Mondays, Wednesdays and Fridays at the LaSalle County Health Department.
TB Services
Walk-Ins for Flu Shots or other Immunization
COVID Testing will be done by appointment M-W-F and Saturday mornings.
Original source can be found here.
Source: City of Ottawa