Ontario is moving ahead with providing a second dose of the AstraZeneca COVID-19 vaccine to some who received a first shot, officials said Friday.

Ontarians who got a first dose of the AstraZeneca vaccine between March 10 and March 19 may opt to receive a second one at a 10-week interval during the week of May 24.

That period encapsulates a pilot project that saw the province’s first doses of AstraZeneca administered through pharmacies in Toronto, Kingston and Windsor, as well