A new version of COVID-19 has appeared in Botswana, South Africa and Hong Kong, which has been found to be "heavily mutated", prompting the World Health Organization to hold a crisis meeting on Friday. Here is how the WHO Greek alphabet COVID naming system works.
At the WHO meeting, the delegation discussed variant B.1.1.529 and its effects on vaccines, new clinical trials and drug treatment.
The entity determined that the variant, B.1.1.529, is of concern, and it should be given Gree...