COVID-19 spreading faster in Alberta than during peak of 3rd wave – CBC

R-value is 1.48, higher than in spring when more than 1,500 cases were reported daily

Jul 28, 2021

Health and infectious disease experts say the rate at which COVID-19 cases are growing in Alberta is alarming, as it spreads faster than during the height of the pandemic’s third wave.

The R-value, which represents the number of people infected by each infected person, was 1.48 (with a confidence interval of 1.38-1.59) in Alberta as of Sunday, according to Alberta Health.

That number — which has doubled in recent weeks — means 100 people with the virus will spread it to 148 others.

“The current R-value provincewide is one of the highest we’ve seen throughout the pandemic. So although the numbers are low today, the rate of viral spread is really as fast as we’ve seen at any other point during the pandemic,” said Craig Jenne, an immunologist and microbiologist at the University of Calgary.

“This really is the foundation for what everybody refers to as exponential growth … it is definitely laying the potential and the groundwork for a large surge of viral cases in the coming weeks.”

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