I've been feeling a bit under the weather with a sore throat and cold symptoms over the past few days. I noticed my oxygen levels dropped from 99 to 95, which got me worried. So I went ahead and got the rt pcr and chest CT scans done. Thankfully, the Covid test came back negative twice and my HRCT thorax looks normal. One odd thing I've picked up is that I have nasal congestion, but my oxygen levels seem to go back to normal when I breathe through my mouth. Is this something I should be concerned about?
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