Comparative analysis of symptom profile and risk of death associated with infection by SARS‐CoV‐2 and its variants in Hong Kong
Kin On Kwok,
Wan In Wei,
Edward B. Mcneil
et al.
Abstract:The recurrent multiwave nature of coronavirus disease 2019 (COVID‐19) necessitates updating its symptomatology. We characterize the effect of variants on symptom presentation, identify the symptoms predictive and protective of death, and quantify the effect of vaccination on symptom development. With the COVID‐19 cases reported up to August 25, 2022 in Hong Kong, an iterative multitier text‐matching algorithm was developed to identify symptoms from free text. Multivariate regression was used to measure associa… Show more
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