Region of Waterloo council discuss impact of Delta variant

Ross Houston
June 11, 2021

The Delta variant, which is more transmissible and could be more unsafe, will likely be the dominant strain of the virus this summer.

Infections have already declined sharply in nearly all public health units over the past few weeks.

A strong second-dose strategy in hotspot communities is needed to avoid a surge in Delta cases, the modellers say.

"We're not out of the woods just yet", Dr.


Latest data also show Ontario has now surpassed both the USA and U.K.in relative terms when it comes to the percentage of the population who have received one dose of a COVID vaccine.

The modelling forecasts that adherence to public health measures could bring the number of COVID-19 patients in ICU below 200 by mid-July which would allow hospitals to begin resuming their normal operations. "Our ICUs still have more COVID-19 patients than they did at the peak of the second wave and the delta variant, the variant that hit India so hard, is here and is on track to be the dominant form of the virus this summer but we believe we can control it with the right action". "We have a really good chance of a good summer".

Ontario can expect the current decline in COVID-19 cases to continue for approximately 10 days; however, the latest modelling briefing, presented to reporters at Queen's Park on Thursday, warns that the Delta variant (formerly B.1.617) will likely become the dominant strain in Ontario over the summer.

Eligible Ontario residents can book their second dose appointments (four days earlier than the previously announced date of June 19!) through the provincial booking system, directly through their local public health units, or at participating pharmacies.


While Ontario's COVID-19 situation has seen improvements, the more transmissible Delta variant remains a concern, with Dr.

Finally, in the worst case scenario, the new more infectious variant would lead to a fourth wave of the pandemic in which daily case counts would rise exponentially and reach 2,500 by mid-August.

In a medium scenario, that number could jump back up to almost 1,000 cases per day by August.

As of June 10, Ontario reported more than 10.6 million doses of COVID-19 vaccines have been administered to Ontarians.


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