MIAMI, Jan. 22, 2021 /PRNewswire/ -- A team of Florida International University (FIU) researchers have trained detector dogs to accurately identify the COVID-19 virus.  
 
FIU's International Forensic Research Institute (IFRI) is using its decades of experience researching and identifying odors to help train and improve the ability of detector dogs to locate COVID-19.
 
The COVID-19 detector dogs will be working on campus at FIU this spring as part of the effort to control the spread of the virus. Much like bomb-detecting dogs, COVID-19 detecting dogs can sweep an area and alert to the presence of the odor that is left on surfaces (particles, aerosols, cellular material) by a person infected with COVID-19. FIU's COVID detector dogs were also invited to sweep the State Emergency Operations Center in Tallahassee. They will start their work at the Florida capital next week.
 
"Our COVID-19 detector dogs are part of our campus-wide efforts to create the best possible environment using available evidence and our own research," said FIU Provost and Chief Operating Officer Kenneth G. Furton, who founded IFRI and has chaired several national groups producing consensus standards for Dogs and Sensors since 2004.
 
Two of the four canines currently trained to detect COVID-19 were previously trained to detect the disease odor produced by a specific fungus that killed a significant percentage of avocado trees in South Florida. Scientists are applying the same training method used to find the fungus, to detect COVID-19.   
 
"COVID-19 produces unique odor chemicals and also causes metabolic changes in those infected with the virus, resulting in odors that dogs can detect," said IFRI Director DeEtta Mills.
 
For the current study, IFRI is collaborating with the Environmental Health & Safety Department at Baptist Health South Florida, which provided the face coverings worn by individuals who tested positive and negative for COVID-19. Ultraviolet C light is used to inactivate the virus, making the masks safe to handle without altering the COVID-19 odors.
 
The canine team consists of one Belgian Malinois, a Dutch Shepherd and two small rescue dogs trained to detect COVID-19 odors, first in a lab and now in larger spaces, including auditoriums, computer labs, and libraries. The canine's size difference helps detect the virus in hard-to-reach spaces such as under and between chairs.
 
High proficiency in detection comes with practice, and the dogs can achieve greater than 90 percent accuracy and low false positives after completing the final stages of training, which is ongoing.

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SOURCE Florida International University