nostr:npub1a4cfqcj5cq9qauuzz33rqq63kudnu6k7x4fe4xep93s7lu5hgk3szqt2kf So, I'd be interested to know what the background rate of impaired lung function in the population was, pre-COVID - is 11% of people who've had mild-COVID 10x worse than the background rate? 100x worse? Same as the background rate? I have no idea, and I can't find any info on this in the study at a quick search.