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A population-based and symptom-based COVID-19 prevalence survey
Reza Beiranvand1,2, Maryam Azimzadeh1,2, Maryam Chegeni1,2
1Khomein University of Medical Sciences, Khomein, Iran.
Journal of Education and Health Promotion
|September 20, 2023
Summary
During the Omicron peak, COVID-19 prevalence was significant, with 37.69% experiencing recurrent symptoms. Urban residence and prior COVID-19 infection increased risk, while vaccination offered some protection.
Area of Science:
- Epidemiology
- Public Health
Background:
- The Omicron variant surge necessitated understanding community COVID-19 (Coronavirus Disease 2019) prevalence.
- Assessing symptom-based versus test-based detection is crucial for effective healthcare strategies.
Purpose of the Study:
- To determine community-based COVID-19 prevalence during the Omicron peak in Khomein, Iran.
- To compare symptom-based and test-based prevalence rates.
- To identify key risk factors associated with Omicron infection.
Main Methods:
- A cross-sectional, population-based study utilizing random cluster sampling.
- Data collection occurred from February 20 to March 20, 2022.
- Analysis included logistic regression to identify risk factors.
Main Results:
- The period prevalence of recurrent Omicron symptoms was 37.69%.
- Significant risk factors included urban residence (OR=1.25), prior COVID-19 history (OR=1.20), and vaccination status (OR=0.80 for number of doses).
- The interval since the last vaccine dose showed a slight increase in risk (OR=1.04).
Conclusions:
- Community engagement and accurate prevalence data are vital for managing COVID-19.
- Targeted vaccination of high-risk groups and mitigation strategies are essential public health obligations.
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