Last week, authorities in South Africa said they had noted an uptick in COVID-19 cases attributable to the BA.4 mutant of omicron, although they said it was too early to tell if that would result in a significant new wave of disease. Although the BA.4 version of COVID-19's omicron variant appears more infectious than omicron, WHO said there was no evidence yet that it was leading to substantially higher rates of hospitalization or death.
Mu cyumweru gishize, abategetsi bo muri Afurika yepfo bavuze ko babonye ikibazo cya COVID-19 cyatewe na BA.4 mutant ya omicron, nubwo bavuze ko hakiri kare kumenya niba ibyo byavamo indwara nshya. Nubwo verisiyo ya BA.4 ya COVID-19 ya omicron isa nkaho yanduye kurusha omicron, OMS yavuze ko nta kimenyetso cyerekana ko biganisha ku mubare munini w’ibitaro cyangwa urupfu.