Local and federal authorities spent months investigating a warehouse in Fresno County, California, that they suspect was home to an illegal, unlicensed laboratory full of lab mice, medical waste and hazardous materials.
The Fresno County Public Health Department has been "evaluating and assessing the activities of an unlicensed laboratory" in Reedley, the health department's assistant director, Joe Prado, said in a statement Thursday. All of the biological agents were destroyed by July 7 following a legal abatement process by the agency.
"The evaluation required coordination and collaboration with multiple federal and state agencies to determine and classify biological and chemical contents onsite, in addition to assessing jurisdictional authority under this unique situation," Prado said.
According to court documents, city officials inspected the location at 850 I St. on March 3 for building violations and found various chemicals being stored. On March 16, an inspection by county public health officials allegedly turned up medical devices thought to have been developed on-site, such as Covid and pregnancy tests.
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Hundreds of mice at the warehouse were kept in inhumane conditions, court documents said. The city took possession of the animals in April, euthanizing 773 of them; more than 175 were found dead.
"Certain rooms of the warehouse were found to contain several vessels of liquid and various apparatus," court documents said. "Fresno County Public Health staff also observed blood, tissue and other bodily fluid samples and serums; and thousands of vials of unlabeled fluids and suspected biological material."
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