There may be a new COVID variant, Deltacron. Here's what we know about it.

A potential new COVID-19 variant, a combination of the delta and omicron variants – you can call it "deltacron" – has been identified.

The World Health Organization said Wednesday that the new COVID-19 combination has been detected in France, the Netherlands and Denmark. It's also been found in the U.S., according to a new report soon to be published on research site MedRxiv, and viewed by USA TODAY.

The San Mateo, California-headquartered lab Helix, which works with the Centers for Disease Control and Prevention to track COVID-19, sequenced 29,719 positive COVID-19 samples collected Nov. 22 to Feb. 13 from across the U.S., according to the research team, which included the University of Washington Medical Center and testing company Thermo Fisher Scientific.

Researchers found two infections involving different versions of deltacron, resulting from the combination of delta and omicron genetic material. Twenty other infections had both the delta and omicron variants, with one case having delta, omicron and Deltacron.

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Should we worry about deltacron?

Experts say it's too soon to worry about deltacron. Compared with earlier variants, such as delta and omicron, this new variation – researchers have not adopted the "deltacron" name officially – appears unlikely to spread as easily, said William Lee, the chief science officer at Helix.

"The fact that there is not that much of it, that even the two cases we saw were different, suggests that it's probably not going to elevate to a variant of concern level" and warrant its own Greek letter name, Lee told USA TODAY.

So far, in the places where deltacron has been detected, "there are very low levels of this detection," said Dr. Maria Van Kerkhove, an American infectious disease epidemiologist and the WHO's COVID-19 technical lead, during a Wednesday press conference.

For now, WHO has not seen "any change in the epidemiology," Van Kerkhove said. And regarding deltacron, "we haven't seen any change in severity. But there are many studies that are underway."

William Hanage, an epidemiologist at the Harvard T.H. Chan School of Public Health, concurs.

"It's only a variant if it produces a large number of cases," he said. "So no, if it's not causing lots of cases, people don’t need to be concerned." CONTINUE READING... news.yahoo.com/may-covid-19-variant-deltacron-110034154.html