九月以来,美国国内单日新增病例数量减少了35%左右,全球范围内来看,感染病例数量也下降了30%以上。美国专家表示:“这是数月来看到的特别良好的情况。”上述消息一出,全球多国群众为之振奋:持续近两年的新冠疫情难道真的在消退了吗?
The coronavirus that causes COVID-19 could become endemic like HIV, the World Health Organization said on Wednesday, warning against any att