BQ.1, BQ.1.1, BF.7, and XBB: Why New COVID-19 Variants Have Such Confusing Names
This alphabet-soup nomenclature feels like a marked departure from the World Health Organization’s Greek letter system, which wasto give people an easy and location-neutral way to refer to new variants. While the Greek lettering system, which yielded names like Alpha, Beta, and Delta, did not replace existing scientific naming systems—such as those responsible for labels like BA.5 and XBB—it was meant to simplify public communication about important viral strains.
The WHO only assigns a new Greek letter to a variant if it’s significantly different from previous versions. And for the last year, we’ve seen flavor after flavor of Omicron, rather than totally new iterations of the virus, explains Maria Van Kerkhove, the WHO’s technical lead for COVID-19. That’s why weDr.
“I’m a scientist who’s been developing coronavirus vaccines for the last decade, and it’s even challenging for people like myself” to follow them, Hotez says. They’re not just hard to remember. The names are enough to make the average person’s eyes glaze over—which isn’t great, considering thatVan Kerkhove, however, argues that the public probably doesn’t need to know all the granular details of BQ.1 versus BQ.1.1 versus BF.7.
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