Anywhere from 14 to 37 days, based on this article https://www.mcknights.com/news/coronavirus-may-live-in-patients-for-up-to-37-days-new-study/ https://www.mckn

Anywhere from 14 to 37 days, based on this article https://www.mcknights.com/news/coronavirus-may-live-in-patients-for-up-to-37-days-new-study/ https://www.mcknights.com/news/coronavirus-may-live-in-patie... which references this study: https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(20)30566-3/fulltext https://www.thelancet.com/journals/lancet/article/PIIS0140-6... (scroll to heading "Findings").