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.
Kunyangwe hazvo BA.4 iyo yakabukira kubva omicron inovawo davi reCOVID-19 richiratidza kuva nehasha yekupararira nekukasira kudarika omicron, WHO yakati pakange pasina humboo hwairatidza kuti yakange ichibva yakonzera kuwedzera kwevarwere vaiendeswa kuzvipatara kana kuwanda kwendufu. there was no evidence yet that it was leading to substantially higher rates of hospitalization or death.