Three more COVID-19 vaccination drive thru clinics, and one more walk-in clinic, have opened up in Saskatchewan.

The Saskatchewan Health Authority has opened drive thru clinics in Regina, North Battleford and Prince Albert while opening a walk-in clinic in Weyburn.

These join the Swift Current drive thru clinic that opened on Saturday.

These clinics will be delivering the AstraZeneca vaccine, and are open to Saskatchewan residents 55 and older.

They will operate on a first-come, first-served basis.