WHO running out of covid variant letters

There are 24 letters in the Greek alphabet, alpha, beta, gamma, delta, epsilon, zeta, eta, theta, iota, kappa, lambda, mu, nu, xi, omicron, pi, rho, sigma, tau, upsilon, phi, chi, psi, omega. So far there have been 13 variants that have received a letter from the Greek alphabet to make them easier to pronounce due to the need to inform the public about their potential risk and avoid associating them with anyone country. 

Two letters though were skipped over to get to the fifteenth letter Omicron, leaving just nine more and the pandemic not looking likely to go away as soon as everyone would hope.

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