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EG.5 (XBB.1.9.2.5), respectively. While these names caught on in the media, there were some groups that were displeased with his decision to name COVID variants. In late August 2023, T. Ryan Gregory coined the colloquial name "Pirola" to describe the BA.2.86 variant, by combining the names of the Greek letters pi and rho, which follow the letter omicron in the Greek alphabet; some news media outlets subsequently began using the nickname

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