Below on this page are links to professional resources on ethics and pandemics relevant to COVID-19. I’m not endorsing any views expressed in these, just linking to them.
American Medical Association Journal of Ethics COVID-19 Ethics Resource Center
Hastings Center’s Ethics Resources on the Coronavirus (COVID-19)
University of Toronto Joint Centre for Bioethics ethics publications on the SARS outbreak
World Health Organization’s Ethical Issues in Pandemic Influenza Planning