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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.
Antimicrob Resist Infect Control. 2020 10 29; 9(1):167.AR

Abstract

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.

Authors+Show Affiliations

Department of Infection Control, West China Hospital, Sichuan University, Chengdu, China.Department of Infection Control, West China Hospital, Sichuan University, Chengdu, China.Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, China.Department of Infection Control, West China Hospital, Sichuan University, Chengdu, China.Department of Infection Control, West China Hospital, Sichuan University, Chengdu, China.Center for Pathogen Research, West China Hospital, Sichuan University, Chengdu, China.Center for Pathogen Research, West China Hospital, Sichuan University, Chengdu, China. Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China.Department of Infection Control, West China Hospital, Sichuan University, Chengdu, China. zongzhiy@scu.edu.cn. Center for Pathogen Research, West China Hospital, Sichuan University, Chengdu, China. zongzhiy@scu.edu.cn. Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China. zongzhiy@scu.edu.cn.

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

33121538

Citation

Wei, Li, et al. "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." Antimicrobial Resistance and Infection Control, vol. 9, no. 1, 2020, p. 167.
Wei L, Huang W, Lu X, et al. 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. Antimicrob Resist Infect Control. 2020;9(1):167.
Wei, L., Huang, W., Lu, X., Wang, Y., Cheng, L., Deng, R., Long, H., & Zong, Z. (2020). 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. Antimicrobial Resistance and Infection Control, 9(1), 167. https://doi.org/10.1186/s13756-020-00839-x
Wei L, et al. 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. Antimicrob Resist Infect Control. 2020 10 29;9(1):167. PubMed PMID: 33121538.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - 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. AU - Wei,Li, AU - Huang,Wenzhi, AU - Lu,Xiaojun, AU - Wang,Yantong, AU - Cheng,Linzhi, AU - Deng,Rong, AU - Long,Haiyan, AU - Zong,Zhiyong, Y1 - 2020/10/29/ PY - 2020/05/11/received PY - 2020/10/22/accepted PY - 2020/10/30/entrez PY - 2020/10/31/pubmed PY - 2020/11/13/medline KW - Air sampling KW - COVID-19 KW - Corona virus disease 2019 KW - Environment sampling KW - Healthcare workers KW - Personal protection equipment KW - SARS-CoV-2 SP - 167 EP - 167 JF - Antimicrobial resistance and infection control JO - Antimicrob Resist Infect Control VL - 9 IS - 1 N2 - 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. SN - 2047-2994 UR - https://www.unboundmedicine.com/medline/citation/33121538/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_ L2 - https://aricjournal.biomedcentral.com/articles/10.1186/s13756-020-00839-x DB - PRIME DP - Unbound Medicine ER -