. "1100156422"^^ . . . . . . "In the United States, there are environmental and occupational health hazards in zoological parks. The risks associated with working with and caring for the animals, include visitor employee safety. There are numerous safeguards in place to prevent injury, disease, and death."@en . . . "United States environmental and occupational health in zoos"@en . . "In the United States, there are environmental and occupational health hazards in zoological parks. The risks associated with working with and caring for the animals, include visitor employee safety. There are numerous safeguards in place to prevent injury, disease, and death."@en . . . . . . . . . . . . . . . "15501"^^ . . . . . . . . . . "36485012"^^ . . . . . . . . . . . . . . .