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Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Influenza+Other+Respir+Viruses 2020 ; 14 (6): 688-699 Nephropedia Template TP
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SARS-CoV-2 environmental contamination associated with persistently infected COVID-19 patients #MMPMID32578948
Lei H; Ye F; Liu X; Huang Z; Ling S; Jiang Z; Cheng J; Huang X; Wu Q; Wu S; Xie Y; Xiao C; Ye D; Yang Z; Li Y; Leung NHL; Cowling BJ; He J; Wong SS; Zanin M
Influenza Other Respir Viruses 2020[Nov]; 14 (6): 688-699 PMID32578948show ga
BACKGROUND: Severe COVID-19 patients typically test positive for SARS-CoV-2 RNA for extended periods of time, even after recovery from severe disease. Due to the timeframe involved, these patients may have developed humoral immunity to SARS-CoV-2 while still testing positive for viral RNA in swabs. Data are lacking on exposure risks in these situations. Here, we studied SARS-CoV-2 environmental contamination in an ICU and an isolation ward caring for such COVID-19 patients. METHODS: We collected air and surface samples in a hospital caring for critical and severe COVID-19 cases from common areas and areas proximal to patients. RESULTS: Of the 218 ICU samples, an air sample contained SARS-CoV-2 RNA. Of the 182 isolation ward samples, nine contained SARS-CoV-2 RNA. These were collected from a facemask, the floor, mobile phones, and the air in the patient room and bathroom. Serum antibodies against SARS-CoV-2 were detected in these patients at the beginning of the study. CONCLUSIONS: While there is a perception of increased risk in the ICU, our study demonstrates that isolation wards may pose greater risks to healthcare workers and exposure risks remain with clinically improved patients, weeks after their initial diagnoses. As these patients had serum antibodies, further studies may be warranted to study the utility of serum antibodies as a surrogate of viral clearance in allowing people to return to work. We recommend continued vigilance even with patients who appear to have recovered from COVID-19.
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Influenza+Other+Respir+Viruses 2020 ; 14 (6): 688-699
