Happy hypoxia: New concern for doctors in Kolkata

Happy hypoxia — a silent drop in oxygen level below the required mark without any pressing symptoms or breathing distress — has turned out to be common among a large section of Covid patients in Kolkata, leaving doctors confused and alarmed.

Happy hypoxia: New concern for doctors in Kolkata
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Happy hypoxia — a silent drop in oxygen level below the required mark without any pressing symptoms or breathing distress — has turned out to be common among a large section of Covid patients in Kolkata, leaving doctors confused and alarmed.