Nanming district takes samples for virus nucleic testing

A member of staff from the disease control center of Nanming district in Guiyang takes nucleic acid samples from fish sold in a market. [Photo/gywb.cn]

Over the past few days, staff members from Nanming district's disease control center have been taking samples for nucleic testing of novel coronavirus from employees and on-site at over 30 frozen food wholesalers, supermarkets, open markets, bazaars and other places, according to local media reports on July 7.

To date, 184 specimens from fish, sewage and other sources have been collected by the staff members from the disease control center of district in Guiyang -- capital city of Southwest China's Guizhou province -- and the test results have all proven negative.