Medical Aspects of Causation for COVID-19

The decision about whether a case of documented COVID-19 illness is accepted as occupationally acquired and thus work compensable is made by insurers, or if contested, by judges or administrative bureaus. Causation for COVID-19 may be difficult to show because of the lack of accurate information and difficulty in meeting some of the criteria established by Bradford Hill. Nevertheless, physicians will be asked for medical records and documentation of illness. This article provides preliminary guidance to assist physicians in responding to insurers or workers compensation agencies' requests for information on the medial aspects of COVID-19.