Ontario to provide update on COVID-19 vaccine rollout Friday

Africa needs 20m AstraZeneca vaccine by mid-July to deliver booster shots ― WHO

With over 8.6 million doses administered, and over 8 million people having received at least one dose, the province has reached its target to administer first doses to 65 per cent of Ontarians aged 18 and over by the end of May.

"In particular, I want to offer support to ensure that these doses are used before they expire in order to allow us to continue to offer second doses to Canadians and avoid wastage of vaccines", she says.

"Ontarians who have had their first dose and are eligible for an accelerated second dose may be able to return to the same site or channel where they received their first dose for their second dose appointment, or may choose to book an appointment at a different site or channel", the province stated.

Week of May 31: individuals aged 80+.

Week of August 2: individuals who received their first dose between the week of May 10 to May 30, on a "first-in, first-out" basis. Currently, AstraZeneca doses in the province and future shipments have been earmarked for second doses, with first-dose appointments halted due to low supply of the serum.

"My promise to Manitobans is that as soon as this United Kingdom data comes out, if we see that using an mRNA (Pfizer or Moderna) vaccine for dose two after AstraZeneca is equivalent or better, we will offer you a dose two", Reimer said.

Ontario is scrambling to use some 45,000 AstraZeneca shots by the end of May, with another 10,000 set to expire in June. "Everything is in place and we are ready to go, all we need are the vaccines". This will begin with individuals turning 80 and over in 2021, who will be eligible to book their second dose appointment expected to begin on May 31, 2021 at 8:00 a.m., followed by individuals aged 70 and over scheduled to begin the week of June 14, 2021. "While one dose provides some protection, it doesn't provide almost as much as two shots".

Individuals who received a first dose of AstraZeneca will see second dose intervals accelerate to a 12-week interval.

Ontario is awaiting further advice from the National Advisory Committee on Immunization (NACI) on mixing and matching doses.

The interval between first and second doses can be up to 16 weeks, but with supply issues seemingly worked out, Ford said today Ontario can begin to offer second dose appointments at an earlier interval.

As the vaccine rollout has picked up steam in Ontario there have been growing calls for the province to start accelerating second doses.

Second dose appointments can be rebooked through the provincial booking system and through pharmacies, Ontario said.

While saying that an additional 200 million doses of any of the World Health Organization emergency use listed COVID-19 vaccines are needed to immunise 10 per cent of African population by September. Provincial health officer Dr. Bonnie Henry says there are enough confirmed deliveries of Pfizer and Moderna that the province is able to move up the interval.

Quebec is shortening the delay between first and second doses of the Oxford-AstraZeneca COVID-19 vaccine to eight weeks. Experts say it is safe to move up the interval for the mRNA vaccines, Pfizer and Moderna.

About 595,000 Ontarians have been fully vaccinated with two doses.

The province estimates stage three could start towards the end of July.

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