betta, 98% accurate identifying a covid infection walking past and sniffing a person s face mask in a screening line, which is what they are doing with employees. now a couple of things to know here, interestingly, you can see from these dogs, cobra and one betta are pure bred dogs of the kind you might typically expect to see in a working dog environment. but apparently you don t need it to be one of these fancy pure bread types of dogs to do this. in fact, they said this week in unveiling this project that plenty of the dogs they have trained to do this have been happy multi-breed rescue pups, random dogs from the pound they ve picked up appear just as good as sniffing out the virus. but also can we go back to the chemistry professor guy