The South Africa National Department of Health has stated that the majority cases of omicron are only mild cases and there are very little severe cases and covid deaths in South Africa are very low right now. The omicron variant is spreading rapidly but really isn't as deadly the other variants. Here is an article from the World Health Organization. Dr Matshidiso Moeti, the WHO Regional Director for Africa even stated that there is very little justification for travel bans that target Africa: https://www.afro.who.int/news/omicron-spreads-severe-cases-remain-low-south-africa