Long COVID facts and findings: a large-scale online survey in 74,075 Chinese participants.

ABSTRACT:

Background

Research on long COVID in China is limited, particularly in terms of large-sample epidemiological data and the effects of recent SARS-CoV-2 sub-variants. China provides an ideal study environment owing to its large infection base, high vaccine coverage, and stringent pre-pandemic measures.

Methods

This retrospective study used an online questionnaire to investigate SARS-CoV-2 infection status and long COVID symptoms among 74,075 Chinese residents over one year. The relationships between baseline characteristics, vaccination status, pathogenic infection, and long COVID were analyzed using multinomial logistic regression, and propensity matching.

Findings

Analysis of 68,200 valid responses revealed that the most frequent long COVID symptoms include fatigue (3

SUBMITTER: Qin S 

PROVIDER: S-EPMC11776084 | biostudies-literature | 2024 Nov

REPOSITORIES: biostudies-literature