The World Health Organization recently announced a new naming system for SARS-CoV-2 variants using the Greek alphabet. The new naming system ... Four of these variants of concern — Alpha, Beta, Delta ...

In the unusual event that the list is used up, the WMO identifies storms by letters of the Greek alphabet: alpha, beta, gamma, delta... as has been the case this year, which has seen an unusually ...

On Friday, Tropical Storm Wilfred, Subtropical Storm Alpha and Tropical Storm Beta formed within hours ... “get out the Greek alphabet” for the rest of 2020. Tropical Storm #Wilfred Advisory ...