According to the Greek alphabet, the World Health Organization was expected to name the latest Covid-19 variant “Nu” or “Xi.” But both names were seen as problematic.

In Monday's puzzle, 27-Across read [Greek letter X], which was either a gimme or a "Now, which one is that again..?" for most solvers. CHI it was, but it is tough to keep track sometimes. Four of ...

The 15th letter of the Greek alphabet had been a fairly innocuous entity for 2,500 years. But in just two weeks, it became notorious. Omicron moved beyond classical philosophy texts, beyond the ...

Omicron is the 15th letter of the 24-letter Greek alphabet. When the WHO runs out of Greek letters to use, it will announce a new naming system for variants. This time around, the WHO did skip two ...

After a new variant with the unwieldy scientific name of B.1.1.529 was discovered last week in South Africa, observers might have expected WHO to name it after the next Greek letter on the list: Nu.

The WMO “decided that if a significant storm designated by a letter of the Greek Alphabet, in either the Atlantic or eastern North Pacific Basin, was considered worthy of being ‘retired’, it ...

Nine Greek letters were pressed into service in last year’s busy Atlantic hurricane season. ... In fact, Zeta is only the sixth letter in the 24-letter Greek alphabet.

The 15th letter of the Greek alphabet had been a fairly innocuous entity for 2,500 years. But in just two weeks, it became notorious. Omicron moved beyond classical philosophy texts, ...

According to the Greek alphabet, the World Health Organization was expected to name the latest Covid-19 variant “Nu” or “Xi.” But both names were seen as problematic.