UK study with access to NHS patient records: Within 1,199,812 individuals with any acute COVID-19 code, 3327 individuals also had a recorded long COVID code, co

UK study with access to NHS patient records: Within 1,199,812 individuals with any acute COVID-19 code, 3327 individuals also had a recorded long COVID code, constituting 0.27% of COVID-19 cases. Furthermore very few self-reports of long covid symptoms can be paired with a positive covid test. How do you explain the difference in estimated prevalence of 'long covid'? https://www.medrxiv.org/content/10.1101/2021.06.24.21259277v1.full.pdf https://www.medrxiv.org/content/10.1101/2021.06.24.21259277v...