### Chinese: 尽管德尔塔仍然是全世界主要的新冠病毒株，但奥密克戎病例正在数十个国家出现，其中南非为疫情中心。
### English: Although Delta remains the world's leading strain of COVID-19, cases of <v>Omiljung</v> are emerging in dozens of countries, with South Africa at the epicenter of the outbreak.
### Errors: There is a major accuracy/mistranslation error at "Omiljung" within <v></v>.

### Improved English: Although Delta is still the main COVID-19 virus strain of the world, Omicron cases are emerging in dozens of countries with South Africa at the center of the epidemic.
