How social factors and symptoms affect long COVID diagnosis codes

Declarations. Ethics approval and consent to participate: The COVID-19 Enterprise Biorepository and Data Registry study received approval from the University of Alabama at Birmingham’s Institutional Review Board (IRB-300005127) and adhered to ethical research practices as set forth by the Declaration of Helsinki. Verbal informed consent was obtained from all participants in the study. Consent for publication: Not applicable. Competing interests: JKV has no conflicts of interest to declare that are relevant to the content of this article. EBL reports research funding (to the institution) from Amgen Inc and personal fees from Pfizer for consulting and University of Pittsburgh for serving on a data and safety monitoring board unrelated to the content of this article. CRH has no conflicts of interest to declare that are relevant to the content of this article. APM has no conflicts of interest to declare that are relevant to the content of this article. RJ has no conflicts of interest to declare that are relevant to the content of this article. FEL has no conflicts of interest to declare that are relevant to the content of this article. NE has no conflicts of interest to declare that are relevant to the content of this article.