![](http://www.ecns.cn/hd/2021/08/19/df97e6bc3c8a4eebab7dfa3b395de3b1.jpg)
The detection dog "Finn" sniffs around the cone shaped scent stands to find out which one of them contains the COVID-19 odour inside the training room at Vancouver General Hospital in Vancouver, British Columbia, Canada, on Aug. 18, 2021. Canada's first COVID-19 detection dogs are being trained for 6 months and ready to be deployed for work in next few weeks. (Photo by Liang Sen/Xinhua)
![](http://www.ecns.cn/hd/2021/08/19/d6a56e695e6d42b8b1797b9ee2004a3b.jpg)
The detection dog "Finn" puts its head into the cone shaped scent stands to look for COVID-19 odour inside the training room at Vancouver General Hospital in Vancouver, British Columbia, Canada, on Aug. 18, 2021. Canada's first COVID-19 detection dogs are being trained for 6 months and ready to be deployed for work in next few weeks. (Photo by Liang Sen/Xinhua)
![](http://www.ecns.cn/hd/2021/08/19/f97704fba6754fc498140b9dafcfc3db.jpg)
Canine detection specialists prepare to train COVID-19 detection dog "Finn" inside the training room at Vancouver General Hospital in Vancouver, British Columbia, Canada, on Aug. 18, 2021. Canada's first COVID-19 detection dogs are being trained for 6 months and ready to be deployed for work in next few weeks. (Photo by Liang Sen/Xinhua)
![](http://www.ecns.cn/hd/2021/08/19/6c7827f0b99b4d68ac7808a0fc928730.jpg)
The detection dog "Micro" puts its head into the cone shaped scent stand to look for COVID-19 odour inside the training room at Vancouver General Hospital in Vancouver, British Columbia, Canada, on Aug. 18, 2021. Canada's first COVID-19 detection dogs are being trained for 6 months and ready to be deployed for work in next few weeks. (Photo by Liang Sen/Xinhua)
![](http://www.ecns.cn/hd/2021/08/19/151ffd6d989341c1993560785a6d4c95.jpg)
The detection dog "Finn" sniffs around the cone shaped scent stands to find out which one of them contains the COVID-19 odour inside the training room at Vancouver General Hospital in Vancouver, British Columbia, Canada, on Aug. 18, 2021. Canada's first COVID-19 detection dogs are being trained for 6 months and ready to be deployed for work in next few weeks. (Photo by Liang Sen/Xinhua)