Pirola is being tracked because it is the most highly mutated version of COVID since Omicron, but so far it isn\u0027t a variant of concern
Why would it be worse?
The reason for that has to do with the unusually high number of mutations on the mutated virus’s spike proteins, more than 30 compared to other common variants, more even than were discovered in 2021 on what remains the globally dominant Omicron variant. These spike proteins are what enable the virus to penetrate cells, a key step in their replication and the onset of disease.
Pirola sounds less terrifying than previous variant nicknames, like Kraken. Are they running out of mythic monsters? The new Pirola variant is known to scientists as BA.2.86. Under the Pango nomenclature system, devised in the early days of the pandemic based on previous tracking of influenza evolution, that means it is the 86th generation of the second subvariant of BA. So a nickname is in order, to help people keep track in their minds. That practice started on a chat group of epidemiologists tracking the genetic evolution of COVID. First was Centaurus then Sphinx, Minotaur, Cerberus and others.
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