What's a pulse oximeter? Should I buy one to monitor COVID-19 at

What Is a Pulse Oximeter? And Why Are People Buying Them During COVID-19?, The Hospital of Central Connecticut

How to use your pulse oximeter and Covid-19 diary

Coronavirus: Pulse oximeters can help detect need for hospital

Should pulse oximeters be used at home to track coronavirus symptoms? - ABC News

Pulse oximetry: Uses and benefits

The impact of remote home monitoring of people with COVID-19 using pulse oximetry: A national population and observational study - eClinicalMedicine

Pulse oximeters, used to fight COVID-19, may be inaccurate on people of color: FDA - ABC News

What happens when you test positive for COVID-19 in Nova Scotia?

Common Medical Tool May Delay Treatment of Nonwhite Patients with COVID-19