https://jamanetwork.com/journals/jamainternalmedicine/fullarticle/2807853?guestAccessKey=78805a6c-527c-47b7-af0a-ac40cc3caffc&utm_content=weekly_highlights&utm_term=082723&adv=000375050421&utm_source=silverchair&utm_campaign=jama_network&cmp=1&utm_medium=email Post navigation Cdphe virus tracking Oxygen