Volume 28, Number 10—October 2022
Research Letter
Identifying Contact Risks for SARS-CoV-2 Transmission to Healthcare Workers during Outbreak on COVID-19 Ward
Marius Zeeb1
, Dana Weissberg1, Silvana K. Rampini, Rouven Müller, Thomas Scheier, Walter Zingg, Roger D. Kouyos2, and Aline Wolfensberger2
, Dana Weissberg1, Silvana K. Rampini, Rouven Müller, Thomas Scheier, Walter Zingg, Roger D. Kouyos2, and Aline Wolfensberger2
Table
Number of different exposures to SARS-CoV-2 for total HCW population, HCW who tested positive, and HCW who tested negative during outbreak in hospital ward, Switzerland, October–November 2020*
| Type of contact | No. (%) HCWs |
||
|---|---|---|---|
| All | SARS-CoV-2–positive | SARS-CoV-2–negative | |
| All contacts | 50 (100) | 18 (36) | 32 (64) |
| Shifts with patient contact using SPM | 69 (13.9) | 24 (20.2) | 45 (11.9) |
| Shifts with patient contact using IPM | 143 (28.8) | 31 (26.1) | 112 (29.7) |
| Shifts with HCW contact | 284 (57.3) | 64 (53.8) | 220 (58.4) |
*IPM, isolation precaution measure; SPM, standard precaution measure; HCW, healthcare worker.
1These first authors contributed equally to this article.
2These senior authors contributed equally to this article.
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