"Some of the speculation has centered on a virology institute in Wuhan, the city where the outbreak began. One fringe theory holds that the disaster could be the accidental result of biological weapons research."
https://www.washingtonpost.com/world...pons-research/

"The British newspaper Daily Mail was among the first to suggest the possibility of a link between the newly spreading virus and the Wuhan National Biosafety Laboratory, reporting last week that the lab, which opened in 2014 and is part of the Wuhan Institute of Virology, had been the subject of safety concerns in the past."