Ontario shortening interval between COVID-19 vaccine doses

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Ontario is speeding up its plan to deliver second doses of the COVID-19 vaccine with the expectation that Mississauga and Brampton residents and the rest of the province will be completely vaccinated by the end of September.

In a release issued Wednesday night, the Saskatchewan Health Authority said people over the age of 85 who received AstraZeneca for their first dose can now book their second shot of that vaccine. In recent weeks, health officials have said there now are some 20,000 doses available to be given as second shots.

Reimer acknowledged that those who received Astra-Zeneca as their first dose are feeling left out of the second-dose campaign.

Rwanda needs at least 13 million doses of Covid-19 vaccine to inoculate 60 percent of the population, about 7.5 million people, which it targets to immunise by June 2022. Most residents are now waiting about four months between each dose, with some exceptions for those in long-term care, high-risk health-care workers and people with specific health conditions.

Explaining why it's important to get the second vaccine dose, Dr Qureshi said getting only one dose didn't provide a person with full protection (against the disease) and didn't give him or her full effectiveness of the vaccine.

Ontarians who received their first shot between May 10 and May 30, and those who cannot work from home and who have at-risk health conditions, can then book their second shot starting August 2.


"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.

Cancer patients, solid organ transplant patients or patients receiving treatment with Rituximab and Ocrelizumab who received a letter confirming their eligibility are now able to get their second AstraZeneca dose as well.

The risk of blood clots is significantly lower during the second dose of AstraZeneca, officials added at the time.

Second dose appointments are now open for anyone who received their first dose between March 10 and March 19 with informed consent due to the 10-week interval.

According to the health department, 285 adult vaccination centres have been set up in the province and 1,106,384 persons have received the anti-Covid jabs thus far. The gap between the first and second doses for the Sinopharm vaccine is 21 days, 28 days for Sinovac and four to 12 weeks for AstraZeneca.

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