Comparison of Different Waves during the COVID-19 Pandemic: Retrospective Descriptive Study in Thailand

Comparison of Different Waves during the COVID-19 Pandemic: Retrospective Descriptive Study in Thailand

Background. Coronavirus disease (COVID-19) is an infectious disease caused by a newly discovered coronavirus. An outbreak is called an epidemic when there is a sudden increase in cases. Many countries have experienced a two-wave pattern in the reported cases of COVID-19. The spread of COVID-19 in Th...

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Bibliographic Details
Published in:Advances in preventive medicine Vol. 2021; pp. 5807056 - 8
Main Authors: Kunno, Jadsada, Supawattanabodee, Busaba, Sumanasrethakul, Chavanant, Wiriyasivaj, Budsaba, Kuratong, Sathit, Kaewchandee, Chuthamat
Format: Journal Article
Language:English
Published: Egypt Hindawi 2021
John Wiley & Sons, Inc
Hindawi Limited
Subjects:
Comparative analysis
Coronaviruses
COVID-19
Disease prevention
Disease transmission
Epidemics
Gender
Pandemics
Population
Provinces
Sociodemographics
Statistical analysis
Vaccination
Thailand
China
Bangkok Thailand
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Summary:Background. Coronavirus disease (COVID-19) is an infectious disease caused by a newly discovered coronavirus. An outbreak is called an epidemic when there is a sudden increase in cases. Many countries have experienced a two-wave pattern in the reported cases of COVID-19. The spread of COVID-19 in Thailand was a cluster event distributed over multiple locations. This study aims to compare the characteristics of different waves during the COVID-19 pandemic in Thailand. Methods. A retrospective cohort study was conducted from January 2020 to May 2021 (17 months) to determine the number of COVID-19 screenings and confirmed cases and deaths as well as sociodemographic characteristics such as gender, age, nationality, and source population at risk factors. The categorical data were compared using a chi-square test. Results. Three waves of the COVID-19 pandemic occurred within 17 months in Thailand, and the number of cases increased by over 100,000 due to source population at risk factors such as close contact with a previously confirmed patient, community risk, cluster communities, and active and community surveillance. The chi-square test revealed significant differences between the three waves (p<0.01). Conclusion. Significant differences between pandemic phases or waves may be due to weak social distancing policies and the lack of public health interventions. A COVID-19 vaccination plan is needed for people at risk of suffering severe symptoms and the general population in outbreak areas to increase immunity.
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Academic Editor: Gerardo E. Guillen Nieto
ISSN:2090-3480
2090-3499
2090-3499
DOI:10.1155/2021/5807056