Shortened link
The link you followed has been shortened with is.gd. Shortened links can go anywhere on the Internet so you shouldn't continue if you got the link from a suspicious source e.g. junk email.
The full original link is shown below. Click the link if you'd like to proceed to the destination shown: -
https://covid-19.ontario.ca/covid-19-vaccines-ontario?gclid=Cj0KCQiAv6yCBhCLARIsABqJTjZjfeDQ8l6vx1n9kOXHcv7Er5nbQOBiaATZvuF1jMnWd5hssrAE06MaAgc0EALw_wcB&gclsrc=aw.ds#covid-19-immunization-program
Tip: some QR readers fail to read mixed case URLs properly. We recommend using the lower case option or a lower case custom URL with QR codes.