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‘Delta plus’ variant in Florida, but not a concern... yet

Aug. 13, 2021. File photo. (AP Photo/Jay Reeves) (Jay Reeves, Copyright 2021 The Associated Press. All rights reserved.)

What is the “delta plus” variant?

It’s a relative of the delta variant, identified by British scientists last month. Now, labs in California, Florida, Maryland, Massachusetts, Nevada, North Carolina, Rhode Island, and Washington state, plus the District of Columbia, have so far spotted at least one case.

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Because it isn’t a variant of interest or concern, it has not yet been officially named after a letter of the Greek alphabet, like the other worrisome variants.

Scientists are monitoring the delta-related variant — known as AY.4.2. — to see if it might spread more easily or be more deadly than previous versions of the coronavirus. In a recent report, U.K. officials said this variant makes up 6% of all analyzed COVID-19 cases in the country and is “on an increasing trajectory.”

The variant has two mutations in the spike protein, which helps the coronavirus invade the body’s cells. These changes have also been seen in other versions of the virus since the pandemic started, but haven’t gone very far, Francois Balloux, director of the Genetics Institute at University College London.

The delta variant remains “by far the most dominant variant in terms of global circulation” said Maria Van Kerkhove, the World Health Organization’s technical lead on COVID-19, at a public session this week.

“Delta is dominant, but the delta is evolving,” she said, adding that the more the virus circulates, the greater chances it has to mutate.

The U.N. health agency is currently tracking 20 variations of the delta variant.

Locally, Northeast Florida counties are seeing a decline in overall cases. The Florida Department of Health in Duval County said Monday morning the county is now considered to be a low transmission county as the number of cases continues to fall.

A Department of Health official told members of the City Council the current new cases positivity rate is 2.9%, a level not seen in over a year.


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