From the Introduction: "A law enforcement agency requested a health hazard evaluation concerning illnesses among multiple law enforcement officers (LEOs) from multiple agencies who participated in a law enforcement operation (operation). Illnesses among LEOs were reported to have begun the day of or soon after the operation. The operation consisted of taking a subject into custody and executing a search warrant at a residence. The law enforcement agency was concerned that the reported illnesses may have been associated with work-related exposures during the operation."
HHE Report No. 2019-0114-3358; Health Hazards Evaluation Report No. 2019-0114-3358
Centers for Disease Control and Prevention: http://www.cdc.gov/