95% of recent COVID-19 cases in British Columbia have been Delta variant, BCCDC report suggests – .

95% of recent COVID-19 cases in British Columbia have been Delta variant, BCCDC report suggests – .

VANCOUVER – Almost all of the COVID-19 cases reported in British Columbia during the last week of July were the highly contagious Delta variant of the coronavirus, according to data from the BC Center for Disease Control.

The BCCDC’s latest report of the variants of concern, released Friday, shows that 95% of all positive tests in the province during the week of July 25-31 were the Delta variant.

The Alpha and Gamma variants – which each accounted for 40 to 50 percent of cases in British Columbia from March to June – were responsible for only two and three percent of cases, respectively, during the last week of July.

In its report, the BCCDC notes that the last week of data is only partial and could change as more samples of the virus are sequenced.

However, the partial data continues the current trend seen in recent weeks, in which the Delta variant has supplanted the others as the dominant strain in the province.

Delta, along with below-average vaccination rates, have been blamed for the upsurge in infections in the interior of the province, which has led authorities to impose a host of new restrictions in the central region. Okanagan last week.

Experts from the BC COVID-19 Modeling Group say restrictions will be needed in more regions if British Columbia is to avoid continued outbreaks, especially in areas with low vaccination rates.

“This higher transmission rate of the Delta variant really benefits communities that have lower vaccination rates,” said Dr. Sarah Otto, professor of zoology at UBC and a member of the modeling group.

The group’s most recent report predicts 1,000 cases per day in British Columbia by September without further restrictions.

Notably, Delta is the dominant strain of the coronavirus in all health authorities, according to the latest BCCDC report.

The highly transmissible variant was responsible for 99% of infections in Interior Health during the last week of July.

It was responsible for 96% of infections at Island Health, 90% at Fraser Health, 88% at Vancouver Coastal Health and 79% at Northern Health, according to the BCCDC report.

These numbers are subject to change, however, as more samples from that week are analyzed.


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