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Comorbidity Exposure-Window Definitions and Multidimensional Disparities in Long COVID Risk: Evidence from a U.S. National Cohort (2020-2024)

2026-07-14

Abstract excerpt

Long COVID (LC) affects millions of individuals worldwide, particularly those with preexisting comorbidities. However, whether these comorbidities should be defined before SARS-CoV-2 infection or before LC diagnosis remains unresolved, and this methodological choice may substantially bias estimates of comorbidity-associated LC risk. In addition, most previous studies were conducted during earlier phases of the pan...

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Literature Corpus work
1bcc65ee-290a-5070-941d-4c50f0e45881
DOI
10.64898/2026.07.11.26357794
Open publication

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