WHO skips over Greek letters ‘Nu’ and ‘Xi’ – names new variant Omicron Health WHO skips over Greek letters ‘Nu’ and ‘Xi’ – names new variant Omicron Anne Kader November 27, 2021 The World Health Organization (WHO) has skipped the Greek letters "nu" and "xi" in naming its new... Read More Read more about WHO skips over Greek letters ‘Nu’ and ‘Xi’ – names new variant Omicron