This paper, from Theme 1 researchers from the PROTECT NCS, and published in the International Journal of  Environmental and Public Health, describes an investigation, as part of the COVID-OUT (COVID-19 Outbreak Investigation to Understand Transmission) study of an outbreak in a large meat-processing plant.

It details the investigation methods and findings of the comprehensive environmental assessment, surface microbial sampling and analyses of local and public health data. The aims of the study were:

1. to understand the viral transmission risk factors, potential transmission routes and their contribution in this COVID-19 outbreak; and
2. to identify and evaluate the range of measures, including workplace testing and contact tracing, physical distancing, face coverings, screens, ventilation and cleaning, implemented in this workplace to prevent and control the outbreak.

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