1/ Ontario #COVID19 vaccine update (Take 2 - after twitter hack/drama):

Ontario has vaccinated >130000 people per day May 4, 5 & on track for this today too.

Over 40% of adults in the province have received at least 1 dose.

Some details on past few days & next few weeks 👇
2/ We doled out a ton of AstraZeneca when eligibility dropped from 55 to 40 yrs, but then ⬇️ supply led to ⬇️ pace of AZ vaccination.

Currently there is very little AZ administered this week following recent public discourse.

I am happy for those who received this vaccine.
3/ Equity of vaccine administration was an issue earlier in April. There is ongoing prioritization of supply to heavily impacted neighbourhoods & it's working.

This graph was when 25% of vax supply went to hot spots.

Now hot spots get 50% of supply for the next 2 weeks.
4/ Equity means much more than allocating +++vaccines to hot spots. It's also community engagement & heavy lifting to ensure barriers to vaccination are removed & the right needles go into the right arms. It's working...

Excellent example by @joe_cressy:

5/ Vaccines in the freezer? Nope.

This data is from right before Canada received 2 million doses of Pfizer (ON received ~800K).

Not much difference between the provinces, but ON is at the top of the pack, administering >95% of vaccines allocated. Pretty good...
6/ Areas for improvement in Ontario's vaccine rollout:

*Work around the convoluted sign-up system (thank you @VaxHuntersCan)

*Underutilizing primary care (family docs & nurse practitioners) across the province - need to expand significantly

*Better comms & transparency

*Etc
7/ What does the next month look like?

*Significant delivery of Pfizer via mass vaccine clinics, pop-up/mobile clinics
*Expanding Pfizer in pharmacies
*Hopefully mobilizing Moderna via primary care
*Keep pace of vaccination >130K/day

Ontario Phase 2: bit.ly/3tzfexX
8/ What about AZ?

**Total speculation here** but I imagine people will get 2nd doses of Pfizer because of:
1) Large Pfizer supply
2) Public perception & clots
3) Imminent results of Com-Cov study (mixing vaccine study)
4) Etc

France/Germany doing this.

bit.ly/3eWwiIU
9/ Vaccine supply looks good for May & beyond.

There is massive expansion of who is eligible, but that does not mean people will be vaccinated imminently.

It will take a bit of time, but ~65% of adults should have a first dose by end of May.
10/ 2nd doses *may* be administered prior to 4 months based on⬆️supply & for other health conditions.

Also we may see expansion of vaccine eligibility to 12-15 yr olds, perhaps in late spring/early summer.

bit.ly/3tleigt
11/ I hope this helps clarify a few points.

Hot spot/essential worker prioritization is the ethical approach. It also ends the epidemic faster in ON.

Some aspects of the rollout need improvement, other parts are going rather well. I'll try keep you posted.

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More from @BogochIsaac

6 May
1/ A few #COVID19 vaccine updates for Ontario:

The pace of vaccination is picking up again.

>130000 vaccines were administered May 4, and >133000 today so far.

>40% of adults in ON have received a 1st dose.

Some thoughts about the past & future weeks👇 Image
2/ People came out in droves for AstraZeneca when the age limit dropped to 40. We had a lot of AZ in the freezer at that time & now there is not much left.

(Much has been said about AZ since then. I am happy for people who received it)
3/ AstraZeneca administered via ~1400 pharmacies & primary care (family doctors & nurse practitioners) pushed our daily vaccine rate to over 130K/day. The pace slowly dropped as supply diminished.

AZ use significantly dropped yesterday & today, likely driven by public discourse.
Read 15 tweets
1 May
1. "Health Minister Patty Hajdu says her government embraces the concept of 'vaccine passports' & will come up with a form of certification to allow vaccinated Canadians to travel internationally."

Smart move & good to be proactive.

bit.ly/3eNTusr by @peterzimonjic
2/ There are a growing number of countries requiring proof of #COVID19 vaccination for travel...18 are currently listed here.

Also the EU just announced they would be open to vaccinated travellers from the USA this summer.

bit.ly/336woIo
3/ #COVID19 vaccine certification for travel will likely be a global norm:

Read 6 tweets
28 Apr
1/ A few points to clarify a few points...

These vaccines are really really good, but not perfect.

One dose of a vaccine provides excellent protection against #COVID19 infection, but of course 2 doses provide more protection.
2/ NACI outlines protection after 1 dose of a vaccine in their recent document:

"Most importantly, these studies show one dose of the Pfizer-BioNTech & AstraZeneca vaccines are
approximately 80% effective against hospitalization..."

Details: tinyurl.com/saby9kma
3/ Here is some of the data backing up NACI's statement above, but from a clinical trial.

This graph below is with Pfizer...look at how people start to gain protection ~12-14 days after their 1st dose (red line).

Pretty impressive.

Link: bit.ly/3aO00OR
Read 8 tweets
23 Apr
1. Ontario administered >125000 vaccines today.
2. Todays ~125K is not the final count, there are still a couple of hours left.

Yesterday ON vaccinated ~134K (that's 0.91% of ON population in a day).

By comparison, yesterday the USA vaccinated ~3.1 million (0.94% of USA population in a day).

We are catching up.
3. The provinces are all pretty comparable in administering vaccines delivered to them, with a range between 71% to 86% in arms.

Ontario has administered 81% of vaccines delivered to the province. Very much aligned with the others.

Source: bit.ly/3sJCuZA
Read 5 tweets
23 Apr
1. Ontario has prioritized pregnant individuals for #COVID19 vaccination (see below).

Really glad to see this happen - it's the right move.

(Expecting to hear further sign-up details from other Public Health Units shortly)

@TaliBogler *I think they mean "highest risk" below.
Read 6 tweets
15 Apr
A few points to clarify vaccine distribution in Ontario.

1. We get ~400K doses of Pfizer weekly. It shows up like clockwork. It gets distributed throughout the province in ~1-2 days & there is very little at the end of the week. This is administered at mass vaccine clinics.
2. We get several hundred thousand doses of Moderna every 2 weeks. Also rapidly shipped to locations in the province. For various reasons, Moderna shipments are occasionally delayed. There is very little Moderna in freezers at the end of the 2 weeks.
3. We have infrequent large boluses of AstraZeneca. This is administered by primary care in 6 Public Health Units, and by ~1400 pharmacies throughout the province.

It is available to anyone 55 years of age and older.
Read 17 tweets

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