Published Thursday, May 13, 2021 10:49AM EDT Last Updated Thursday, May 13, 2021 10:51AM EDT The TTC is holding the first in a series of pop up vaccination clinics for employees today. Today’s clinic, which is taking place at the TTC s McNicoll Bus Garage in Scarborough, comes just two days after select frontline workers in Ontario became eligible to receive COVID-19 vaccines. The TTC says that today’s clinic will be open to all of its roughly 16,000 employees on a first-come-first served basis. Additional clinics will then be held at the Mount Dennis Garage in the city’s west end on Friday and Saturday.