Posted: Jan 06, 2021 6:00 AM ET | Last Updated: January 6 Kelly Grindrod is a pharmacist and associate professor at the University of Waterloo School of Pharmacy(Peggy Lam/CBC) Remember the flu shot? In the fall, it was a hot commodity, with some pharmacies reporting shortages due to surging demand. But if you missed your appointment back then – or if your appointment was cancelled – pharmacist Kelly Grindrod says it's a good idea to get it now. "Generally speaking, we would still say it's worth it to get a flu vaccine," said Grindrod, who is a professor at the University of Waterloo fa...