The same goes for the official death rate from omicron - which is dramatically lower than for delta. _ the latest figures suggest this - fourth wave, which rose so steeply, is already starting to dip in south africa _ but we still need to be cautious. for a start, the official death toll is probably. a significant underestimate, | perhaps by a factor of three, and we still don't know why omicron seems to be leaving this _ country relatively unscathed. is it a sign that the variant - is less severe or could it be that so many south africans were exposed to previous variants and enjoyed - some i...