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- Title
First Reported Nosocomial Outbreak of Severe Acute Respiratory Syndrome Coronavirus 2 in a Pediatric Dialysis Unit.
- Authors
Schwierzeck, Vera; König, Jens Christian; Kühn, Joachim; Mellmann, Alexander; Correa-Martínez, Carlos Luis; Omran, Heymut; Konrad, Martin; Kaiser, Thomas; Kampmeier, Stefanie
- Abstract
Background Coronavirus disease 2019 (COVID-19) is a life-threatening respiratory condition caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and was initially detected in China in December 2019. Currently, in Germany >140 000 cases of COVID-19 are confirmed. Here we report a nosocomial outbreak of SARS-CoV-2 infections in the pediatric dialysis unit of the University Hospital Münster (UHM). Methods Single-step real-time reverse-transcription polymerase chain reaction (rRT-PCR) from nasopharyngeal swabs was used to diagnose the index patient and identify infected contacts. Epidemiological links were analyzed by patient interviews and medical record reviews. In addition, each contact was assessed for exposure to the index case and monitored for clinical symptoms. Cycle threshold (Ct) values of all positive test results were compared between symptomatic and asymptomatic cases. Results Forty-eight cases were involved in this nosocomial outbreak. Nine contact cases developed laboratory-confirmed COVID-19 infections. Two SARS-CoV-2–positive cases remained clinically asymptomatic. Eleven cases reported flulike symptoms without positive results. Ct values were significantly lower in cases presenting typical COVID-19 symptoms, suggesting high viral shedding (P =.007). Conclusions Person-to-person transmission was at the heart of a hospital outbreak of SARS-CoV-2 between healthcare workers (HCWs) and patients in the pediatric dialysis unit at UHM. Semiquantitative rRT-PCR results suggest that individuals with high viral load pose a risk to spread SARS-CoV-2 in the hospital setting. Our epidemiological observation highlights the need to develop strategies to trace and monitor SARS-CoV-2–infected HCWs to prevent COVID-19 outbreaks in the hospital setting.
- Subjects
GERMANY; PREVENTION of infectious disease transmission; PREVENTION of communicable diseases; CROSS infection; EPIDEMICS; HOSPITAL wards; INTERVIEWING; MEDICAL personnel; MEDICAL records; NASOPHARYNX; POLYMERASE chain reaction; SICK people; VIRAL load; REVERSE transcriptase polymerase chain reaction; ACQUISITION of data methodology; COVID-19
- Publication
Clinical Infectious Diseases, 2021, Vol 72, Issue 2, p265
- ISSN
1058-4838
- Publication type
Article
- DOI
10.1093/cid/ciaa491