South African health authorities

Omicron, a new Covid-19 variant, sparks travel bans and worries scientists

Omicron is potentially more transmissible with high number of mutations

Originally Published: 26 NOV 21 08:28 ET Updated: 26 NOV 21 17:39 ET By David McKenzie, Ghazi Balkiz, Ivana Kottasová and Laura Smith-Spark, CNN (CNN) -- The discovery of a new and potentially more transmissible coronavirus variant by South African…