On pandemics and the duty to care: whose duty? who cares?

"Competing interests The author(s) declare that they have no competing interests."

"AcknowledgementsThe authors gratefully acknowledge Drs. Matthew K. Wynia and Evan DeRenzo, our two peer reviewers, for their insightful comments and helpful suggestions on an earlier version of this paper. We also would like to thank Shari Gruman of the Primary Care Research Unit for her expert assistance in editing and formatting the manuscript.This project was financially supported by the Canadian Institutes of Health Research and City of Toronto Public Health. Dr. Upshur is the Canada Research Chair in Primary Care Research; his work on this paper was financially supported by the Canadian Institutes of Health Research and a Research Scholar Award from the Department of Family and Community Medicine at the University of Toronto."