?:abstract
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The positive for SARS-CoV-2 was detected in the feces of the diagnosed patients, so the virus may spread by aerosol The latest research makes the health and safety problems of domestic drainage system appear again after 17 years of SARS outbreak To protect human health as the starting point, from the basic research, drainage mechanism, system design, construction supervision, maintenance and management and other aspects, the key issues have been put forward to improve the health and safety of the drainage system, with a view to cutting off the hidden way of virus spreading in drainage system from the whole life cycle, effectively protect the health of residents at home
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