Dr Tiisetso Lephoto enlists nature’s microscopic warriors for sustainable pest control
The Omicron variant’s spread across South Africa has already surpassed the peak of the Delta-driven third wave. Here’s what the data tells us so far about how quickly Omicron spreads — but truly understanding the variant will take more time.
Wealthy countries were quick to ban Southern African nations from entering their borders when the Omicron variant was identified, but did not do so to each other.