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So effectively measuring HRV can possibly predict a covid infection. Is it possible to measure someone's heart rate from a distance? I thought I read about an

So effectively measuring HRV can possibly predict a covid infection. Is it possible to measure someone's heart rate from a distance? I thought I read about an experiment where this was done, I think with WiFi devices.

nradov 6y ago
It seems that may be possible with cameras. https://pubmed.ncbi.nlm.nih.gov/28269145/ https://pubmed.ncbi.nlm.nih.gov/28269145/