COVID-19 and your pulse oximeter
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For all you folks with pulse oximeters normally used to decide when to go on O2 while flying at high altitudes, you might want to pull it out of your flight bag and do a daily O2 sat check to see if yours is dropping off.  Apparently O2 sat level is a leading indicator of COVID-19 infection even before the other symptoms like the dry cough.  The referenced article is out of the NY Times by an ER doc, which seems a reliable source.

The Infection That’s Silently Killing Coronavirus Patients

96% and holding
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Apparently Pulse Oxymeters now are as popular as toilet paper and considered unobtanium!  Glad we pilots have ours!