Higher education occupations by risk of infection by coming back to campus

https://www.mckinsey.com/~/media/McKinsey/About%20Us/COVID%20Response%20Center/Tools/Reopening%20higher%20education%20institutions%20amid%20COVID%2019/Ten%20considerations%20-%20New%20PDFs/Ten-considerations-for-reopening-US-higher-education-Appendix5-Scenarios.pdf