Article content Quebec is reducing the interval between doses for the AstraZeneca vaccine to eight weeks, Health Minister Christian Dubé announced on Thursday. Shortening the delay goes against previous recommendations to wait at least 12 weeks between doses, but the province’s immunization committee says it will have little effect on the vaccine’s efficacy. We apologize, but this video has failed to load. Try refreshing your browser, or Quebec moves up second doses of AstraZeneca vaccine Back to video People who received the AstraZeneca shot before April 3 will be able to receive their second dose as of this Saturday. Walk-in clinics are being organized across the province.