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. 2019 May;25(5):e180220. doi: 10.3201/eid2505.180220

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Photographs of the Biosafety Level 4 (BSL-4) training laboratory for China’s Wuhan National Biosafety Laboratory (Level 4) of the Chinese Academy of Sciences. The training laboratory is designed to simulate working conditions in a BSL-4 laboratory. A) Inside the BSL-4 training laboratory, where trainees safely learn to use necessary equipment such as air connections ports and biosafety cabinets. B) Trainees wearing positive pressure suits practice skills in the BSL-4 training laboratory.