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Seven Diabetes Patients Die Due to Undisclosed Bug in Abbott's Continuous Glucose Monitors
(sfconservancy.org)
This is a most excellent place for technology news and articles.
I’ve used Libre 1 for years, they work reliably. They will usually fail in the first hours of use, but otherwise work well for the 14 days.
Always keep a standard glucometer at hand, because these monitors can be affected by temperature and humidity.