@WHO: ⚠️ If the blood oxygen level falls to the range of 90-94%, it is a sign that you need medical attention. You should reach your health care provider for further guidance. ⚠️ If the blood oxygen level falls below 90% or if you have serious symptoms, seek immediate medical attention https://t.co/GtlBHm28pO https://t.co/RmE5dNqupo

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