'It’s the right choice': Ontario doctors reassure the public on mixing Pfizer, Moderna COVID-19 vaccine doses - Yahoo News

Ontario's top doctor is urging people who received their first dose of the Pfizer COVID-19 vaccine to not hesitate to get their second dose with the Moderna vaccine.

"We would ask that you not reschedule any appointment to try and get a second dose of Pfizer at a later date, as we have a large supply of Moderna coming right now," Dr.

"We are saying that if you have an opportunity, that you may proceed to go ahead and use Moderna as your second dose, as compared to Pfizer, because we want you getting the full protection as soon as possible.".

If you had Moderna or Pfizer for your 1st dose, you can safely take either for your 2nd dose for strong protection.

The City of Toronto announced over the weekend that due to delays in Pfizer shipments, city-run immunization clinics with only administer a Moderna mRNA doses to individuals 18 and older starting June 20.

Both Pfizer and Moderna mRNA vaccines are interchangeable, equally effective and safe for everyone over 18 years.

Peel Region will also be reserving Pfizer doses for children, set to last until at least Thursday, June 24.

No reason to think that Pfizer for dose 1 + Moderna for dose 2 would be any worse than 2 doses of Pfizer!

So if you got Pfizer for dose 1 and are being offered Moderna for dose 2, rest assured that you are doing the right thing by getting it (and not waiting for Pfizer).

Most ppl are ok with mixing Moderna and Pfizer.

— Sabina Vohra-Miller (@SabiVM) June 21, 2021

Moderna is an mRNA vaccine that ialmost identical to Pfizer

One option for a second dose includes mixing these two (eg Pfizer then Moderna)

— Sumon Chakrabarti (@TorontoIDDoc) June 21, 2021

A lot of concern about mixing the two mRNA vaccines

Due to the vagaries of global supply, most people who got Pfizer will be offered Moderna in the coming weeks

but cannot stress this enough — if you are offered Pfizer or Moderna, please take first available