BBCNEWS BBC News at Ten December 13, 2021 22:18:00
This graph shows the death toll from the past three waves. and this is us here now? yes, exactly. comparing this fourth wave in south africa with other waves, we see less mortality rate than the other waves. so if we just make a comparison, i would say there is no need to be worried _ we do need to be careful when comparing south africa and britain. the population here, for instance, is far younger. on average 13 years younger. and there are far fewer south africans over the age of 60. still, doctors and scientists here are cautiously optimistic about this new variant. south africa's president...