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10.3390/microorganisms12050947
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Article

Do Weather Conditions Still Have an Impact on the COVID-19 Pandemic? An Observation of the Mid-2022 COVID-19 Peak in Taiwan

by
Wan-Yi Lin
1,2,3,†,
Hao-Hsuan Lin
2,3,4,†,
Shih-An Chang
2,3,4,
Tai-Chi Chen Wang
5,
Juei-Chao Chen
6 and
Yu-Sheng Chen
2,3,4,*
1
Department of Traditional Chinese Medicine, Chang Gung Memorial Hospital, Keelung 204201, Taiwan
2
School of Traditional Chinese Medicine, Chang Gung University, Taoyuan 333323, Taiwan
3
Taiwan Huangdi-Neijing Medical Practice Association (THMPA), Taoyuan 330032, Taiwan
4
Department of Chinese Acupuncture and Traumatology, Center of Traditional Chinese Medicine, Chang Gung Memorial Hospital, Taoyuan 333008, Taiwan
5
Department of Atmospheric Sciences, National Central University, Taoyuan 320317, Taiwan
6
Department of Statistics and Information Science, Fu Jen Catholic University, New Taipei City 242062, Taiwan
*
Author to whom correspondence should be addressed.
†
These authors contributed equally to this work.
Microorganisms 2024, 12(5), 947; https://doi.org/10.3390/microorganisms12050947
Submission received: 18 April 2024 / Revised: 5 May 2024 / Accepted: 6 May 2024 / Published: 7 May 2024
(This article belongs to the Special Issue Advances in Epidemiology and Modeling)
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Abstract

Since the onset of the COVID-19 pandemic in 2019, the role of weather conditions in influencing transmission has been unclear, with results varying across different studies. Given the changes in border policies and the higher vaccination rates compared to earlier conditions, this study aimed to reassess the impact of weather on COVID-19, focusing on local climate effects. We analyzed daily COVID-19 case data and weather factors such as temperature, humidity, wind speed, and a diurnal temperature range from 1 March to 15 August 2022 across six regions in Taiwan. This study found a positive correlation between maximum daily temperature and relative humidity with new COVID-19 cases, whereas wind speed and diurnal temperature range were negatively correlated. Additionally, a significant positive correlation was identified between the unease environmental condition factor (UECF, calculated as RH*Tmax/WS), the kind of Climate Factor Complex (CFC), and confirmed cases. The findings highlight the influence of local weather conditions on COVID-19 transmission, suggesting that such factors can alter environmental comfort and human behavior, thereby affecting disease spread. We also introduced the Fire-Qi Period concept to explain the cyclic climatic variations influencing infectious disease outbreaks globally. This study emphasizes the necessity of considering both local and global climatic effects on infectious diseases.
Keywords: climate factor complex (CFC); COVID-19; Fire-Qi Period; meteorological factors; Taiwan; unease environmental condition factor (UECF); weather climate factor complex (CFC); COVID-19; Fire-Qi Period; meteorological factors; Taiwan; unease environmental condition factor (UECF); weather

Share and Cite

MDPI and ACS Style

Lin, W.-Y.; Lin, H.-H.; Chang, S.-A.; Chen Wang, T.-C.; Chen, J.-C.; Chen, Y.-S. Do Weather Conditions Still Have an Impact on the COVID-19 Pandemic? An Observation of the Mid-2022 COVID-19 Peak in Taiwan. Microorganisms 2024, 12, 947. https://doi.org/10.3390/microorganisms12050947

AMA Style

Lin W-Y, Lin H-H, Chang S-A, Chen Wang T-C, Chen J-C, Chen Y-S. Do Weather Conditions Still Have an Impact on the COVID-19 Pandemic? An Observation of the Mid-2022 COVID-19 Peak in Taiwan. Microorganisms. 2024; 12(5):947. https://doi.org/10.3390/microorganisms12050947

Chicago/Turabian Style

Lin, Wan-Yi, Hao-Hsuan Lin, Shih-An Chang, Tai-Chi Chen Wang, Juei-Chao Chen, and Yu-Sheng Chen. 2024. "Do Weather Conditions Still Have an Impact on the COVID-19 Pandemic? An Observation of the Mid-2022 COVID-19 Peak in Taiwan" Microorganisms 12, no. 5: 947. https://doi.org/10.3390/microorganisms12050947

APA Style

Lin, W.-Y., Lin, H.-H., Chang, S.-A., Chen Wang, T.-C., Chen, J.-C., & Chen, Y.-S. (2024). Do Weather Conditions Still Have an Impact on the COVID-19 Pandemic? An Observation of the Mid-2022 COVID-19 Peak in Taiwan. Microorganisms, 12(5), 947. https://doi.org/10.3390/microorganisms12050947

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