Citizens who want to bring their 2nd dose forward will have to wait a bit. Due to the limited number of vaccine deliveries, the Department of Health and Human Services stated that this option is only possible for people who have received the first dose with Pfizer.
Subsequent shipments of the Moderna and AstraZeneca vaccines will be confirmed soon. Only when these additional doses are received will the ministry allow people to stay ahead of their second vaccine.
Since the second dose is recommended to be the same vaccine given in the first dose, the administration time of the second dose depends on the arrival of the vaccine.
At present, only the dosage of the Pfizer vaccine is distributed in sufficient quantities Quebec.ca
For the estrogenaca vaccine, a few more doses are available at walk-in clinics to receive a second dose. On the other hand, you should have an eight-week gap between the second injection and your first dose.