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.
Svondo rakadarika, vakuru muSouth Africa vakati vakaona kuti pakaita kusimukira kwevanhu vanedenda reCOVID-19 zvinzi zvaibva kumhando yechirwere inonzi BA.4 iyo inonzi yakabukira kubva mu omicron, iyo inoratidza kuti ine hukasha hwekupararira nekukurumidza kudarika omicron, kunyangwe hazvo pasati pava nenguva yakakwana yekuongorora kuti izvi zvaizoreva kuti paizova nekupararira kutsva kwedenda iri kune mutsindo.