The WHO is hunting for the coron

Disease detectives who have worked on similar hunts say the investigation is business as usual—but now with advanced tools and techniques that should aid the process.
据从事过类似搜寻工作的疾病检测员说，调查照常进行，而且现在有了先进工具和技术，将有助于调查过程。

Members of the Wuhan Hygiene Emergency Response Team conduct searches on the closed Huanan Seafood Wholesale Market in the city of Wuhan, in the Hubei Province, on January 11, 2020.

2020年1月11日，武汉市卫生应急小组成员对湖北省武汉市封闭的华南海鲜批发市场进行了检查。

https://www.nationalgeographic.com/science/2020/11/world-health-organization-china-search-covid-origins-what-to-expect/#