Table 1 Search terms used in MEDLINE

1

(“Coronavirus” OR “COVID19” OR “epidemic” OR “outbreak” OR “pandemic” OR “humanitarian emergency” OR “catastrophes” OR “disaster”)

2

(“Resources” OR “Resource Allocation” OR “Rationing” OR “Shortage” OR “Personal Protective Equipment” “Ventilator” OR “Triage” OR “Withholding”)

3

(“Ethics” OR “Morality” OR “Ethical framework” OR “Health equity” OR “Decision making”)

4

1 AND 2 AND 3

5

Limit Jan 2000 to 6^th April 2020