World Dog Day 2021 .. What is the expensive Dog and the less price Dog in 2021

Scientists said that sniffer dogs could contribute to efforts to prevent the spread of the Corona virus, in conjunction with the reopening.

As part of the experiment, dogs were trained to recognize the distinctive smell produced by people infected with the virus, which humans cannot smell.

This may be useful for airport screening or group events.


But the researchers said that the findings of the dogs must be confirmed by laboratory tests.


don't forget to subscribe if you like the channel

dogdogsNational Dog Day