Saskatchewan vaccine age limit drops to 20 Sunday, Second doses start Monday SHARE ON: Janssen Covid 19 Vaccine Phase 3 trials A couple more vaccine milestones are coming on May 16th and 17th, as Saskatchewan continues its vaccine rollout. On the 16th, vaccines will open to all those 20 and over. Like every age rollout before it, this opening is for all booked appointments, drive-thrus, pharmacies, mobiles and walk-in clinics. People can book their appointment online or over the phone at 1-833-SASKVAX, or find pharmacies or drive-thrus online. People also eligible include: All remaining phase one health care workers, Vaccine clinics will be open in Lloydminster, at the Lloydminster Exhibition Grounds on May 15th, 16th, 17th, 19th, 20th and 22nd.