### Chinese: 南非许多医生和医疗专家认为，新冠病毒奥密克戎变种所致病症比德尔塔变种更为轻微，虽然传播速度更快。
### English: Many doctors and medical experts in South Africa believe that the disease caused by the Omicron variant of <v>covid-19</v> is more mild than that caused by the delta variant, although it spreads faster.
### Errors: There is a major terminology/inappropriate for context error at "covid-19" within <v></v>.

### Improved English: Many doctors and medical experts in South Africa believe that patients infected by Omicron are milder cases compared with those infected by Delta, although Omicron is more transmissible.
