Association between Receiving at Least 2 Doses of Covid-19 Vaccine and Long Covid in Nonsuwan District, Buriram Province between Jan 1, 2021 and Dec 31, 2022
Keywords:
Long covid, receiving at least 2 doses of covid-19 vaccine, confirmed cases of Covid-19, generalized linear modelsAbstract
Background and Objective: World Health Organization had confirmed that “long covid” was real situation which generally have an impact on everyday functioning. This study aimed to determine the incidence rate (IR) and association between receiving at least 2 doses of covid-19 vaccine and long covid situation in Nonsuwan district, Buriram province.
Methods: A retrospective cohort study was conducted among 361 patients. Data was collected from medical records about covid-19 information (age 20-60 years) who had been hospitalized in Nonsuwan hospital. Follow-up of long covid symptoms of all patients. Generalized linear models (GLM) was used for association data.
Results: The patients with long covid symptoms found were 180, corresponding the overall IR was 49.8 (95% CI: 44.7 to 55.0). The results revealed that receiving at least 2 doses of covid-19 vaccine associated non-significantly (p = 0.166) with long covid situation. It was found that one-dose vaccination was at risk of long covid at 1.03 times compared to no vaccination (Adj RR=1.03; 95% CI; 0.86 to 1.22) and two-dose vaccination was at risk of long covid situation 0.88 times compared to no vaccination (Adj RR=0.88; 95% CI; 0.76 to 1.02)
Conclusions: The results demonstrated receiving at least 2 doses of covid-19 vaccine wasn’t associated with long covid situation. While the IR is high, however medical conditions of patients are associated with increased risk of long covid situation. Therefore, should be training about risk of Long Covid situation for people could be aware and protect themselves from being infected with covid-19.
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