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Table 2 The likelihood that COVID-19 in a HCW was the result of nosocomial transmission

From: Combining epidemiological data and whole genome sequencing to understand SARS-CoV-2 transmission dynamics in a large tertiary care hospital during the first COVID-19 wave in The Netherlands focusing on healthcare workers

 

HCW

 

N

%

Total

293

100

Confirmed transmission

21

7.2

 Index HCW

18

 

 Index patient

3

 

 Index indeterminate

0

 

Probable transmission

37

12.6

 Index HCW

24

 

 Index patient

2

 

 Index indeterminate

11

 

Possible transmission

3

1.0

 Index HCW

2

 

 Index patient

0

 

 Index indeterminate

1

 

Transmission not confirmed

78

26.6

No transmission

154

52.6

  1. HCW = Healthcare worker. For all healthcare workers, including those without available whole genome sequencing data, the likelihood of nosocomial transmission was classified and the source of transmission was indicated