BANGKOK : Thai sniffer dogs trained to detect COVID-19 in human sweat proved nearly 95% accurate during training and could be used to identify coronavirus infections at busy transport hubs within seconds, the head of a pilot project said.Six Labrador Retrievers participated in a six-month project that included unleashing them to test an infected patient's sweat on a spinning wheel of six canned vessels."The dogs take only one to two seconds to detect the virus," Professor Kaywalee Chatdarong, the leader of the project at the veterinary faculty of Thailand's Chulalongkorn University, told Reuters."Within a minute, they will manage to go through 60 samples."The dogs can detect a volatile organic compound secreted in the sweat of Covid-19.