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OBJECTIVES: We performed an environmental sampling study to investigate the environmental contamination of SARS-CoV-2 by COVID-19 patients with prolonged PCR positive status of clinical samples. METHODS: We sampled the air from rooms for nine COVID-19 patients with illness or positive PCR > 30 days, before and after nasopharyngeal/oropharyngeal swabbing and before and after nebulization treatment. We also sampled patients’ surroundings and healthcare workers’ personal protection equipment (PPE) in a non-ICU ward. SARS-CoV-2 was detected by PCR. RESULTS: Eighty-eight samples were collected from high-touch surfaces and floors in patient rooms and toilets, with only the bedsheets of two patients and one toilet positive for SARS-CoV-2. All air samples (n = 34) were negative for SARS-CoV-2. Fifty-five samples collected from PPE were all negative. CONCLUSION: Contamination of near-patient surroundings was uncommon for COVID-19 patients with prolonged PCR positive status if environmental cleaning/disinfection were performed rigorously. Airborne transmission of SARS-CoV-2 was unlikely in these non-ICU settings.
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?:doi
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10.1186/s13756-020-00839-x
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Antimicrob_Resist_Infect_Control
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document_parses/pdf_json/d3c5eac7d1d0281b919fb036fdd78f5eecb9b6b9.json
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document_parses/pmc_json/PMC7594964.xml.json
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Contamination of SARS-CoV-2 in patient surroundings and on personal protective equipment in a non-ICU isolation ward for COVID-19 patients with prolonged PCR positive status
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