霍乱是经水传播的传染病，最重要的风险因素是不安全供水及恶劣的水资源设备。
Cholera is a waterborne infectious disease. Limitation of safe water supply and poor sanitation are the known risk factors.
霍乱是经水传播的传染病，最重要的风险因素是不安全供水及恶劣的水资源设备。
Cholera is a waterborne infectious disease. Limitation of safe water supply and poor sanitation are the known risk factors.
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