COVID-19 variant has raised alarm across the world, with several countries swiftly moving to impose travel bans in an effort to clamp down on its spread.The Omicron variant — first identified in South Africa — was designated as a variant of concern by the World Health Organization (WHO) on Friday.
Here’s why WHO skipped 2 Greek letters to name new variant ‘Omicron’ It has become the fifth and latest variant of concern to be categorized as such since the start of the COVID-19 pandemic.A variant of concern has the potential for increased transmissibility, severity of illness or decreased effectiveness of vaccines, treatments and public health measures, according to WHO.Cases of Alpha, Beta, Gamma, Delta and now the Omicron variant have been.