Communities, Colleges, Workplaces, & Occasions

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Definition of a COVID-19 cluster in a non-healthcare worksite

For non-healthcare worksites, a COVID-19 cluster is outlined as two or extra confirmed or possible instances amongst staff inside a 14-day interval, with a possible connection in time and place at a worksite, in employer-provided group housing, or amongst staff utilizing employer-provided transportation. Observe that in communities with substantial SARS-CoV-2 transmission, it could be anticipated for some worksites to determine two or extra instances inside a 14-day interval that aren’t linked to the worksite or to employer-provided housing or transportation. This is applicable particularly to massive employers. In these circumstances, efforts must be made to find out if there are believable epidemiologic hyperlinks amongst instances within the worksite and to rule out the potential of publicity exterior of the worksite.

Potential worksite clusters could be recognized by way of case investigation, contact tracing, employee complaints, or employer reviews to the well being division. Relying on the power of proof, these potential clusters may warrant worksite evaluation even when there usually are not but laboratory confirmed instances. The absence of laboratory affirmation alone shouldn’t all the time rule out investigating a possible worksite cluster, significantly when there could also be testing shortages or delayed check outcomes.


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