Three dogs successfully trained to sniff C-19

Cambodian Mine Action Center (CMAC) director-general Heng Ratana told Khmer Times yesterday that three sniffer dogs were successfully trained to detect the Covid-19 virus. ...

Tin Sokhavuth
https://www.khmertimeskh.com/50907243/three-dogs-successfully-trained-to-sniff-c-19/