[The Conversation Africa] Scientists are working around the clock to get a better understanding of the Omicron variant. Around the world countries have imposed travel bans to mitigate the spread. South African scientists first announced that they had identified a new variant on November 25 2021. Since then, cases of COVID have increased exponentially and South Africa has entered a fourth wave. Scientists from the South African DSI-NRF Centre of Excellence in Epidemiological Modelling and Analysis and the National Institute for Comm
