Effects and interaction of temperature and relative humidity on the trend of influenza prevalence: A multi-central study based on 30 provinces in mainland China from 2013 to 2018
Background: Evidence is inefficient about how meteorological factors influence the trends of influenza transmission in different regions of China. Methods: We estimated the time-varying reproduction number (Rt) of influenza and explored the impact of temperature and relative humidity on Rt using gen...
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| Format: | Article |
| Language: | English |
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KeAi Communications Co., Ltd.
2023-09-01
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| Series: | Infectious Disease Modelling |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2468042723000635 |
| _version_ | 1797780706013741056 |
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| author | Yi Yin Miao Lai Sijia Zhou Ziying Chen Xin Jiang Liping Wang Zhongjie Li Zhihang Peng |
| author_facet | Yi Yin Miao Lai Sijia Zhou Ziying Chen Xin Jiang Liping Wang Zhongjie Li Zhihang Peng |
| author_sort | Yi Yin |
| collection | DOAJ |
| description | Background: Evidence is inefficient about how meteorological factors influence the trends of influenza transmission in different regions of China. Methods: We estimated the time-varying reproduction number (Rt) of influenza and explored the impact of temperature and relative humidity on Rt using generalized additive quasi-Poisson regression models combined with the distribution lag non-linear model (DLNM). The effect of temperature and humidity interaction on Rt of influenza was explored. The multiple random-meta analysis was used to evaluate region-specific association. The excess risk (ER) index was defined to investigate the correlation between Rt and each meteorological factor with the modification of seasonal and regional characteristics. Results: Low temperature and low relative humidity contributed to influenza epidemics on the national level, while shapes of merged cumulative effect plots were different across regions. Compared to that of median temperature, the merged RR (95%CI) of low temperature in northern and southern regions were 1.40(1.24,1.45) and 1.20 (1.14,1.27), respectively, while those of high temperature were 1.10(1.03,1.17) and 1.00 (0.95,1.04), respectively. There were negative interactions between temperature and relative humidity on national (SI = 0.59, 95%CI: 0.57–0.61), southern (SI = 0.49, 95%CI: 0.17–0.80), and northern regions (SI = 0.59, 95%CI: 0.56,0.62). In general, with the increase of the change of the two meteorological factors, the ER of Rt also gradually increased. Conclusions: Temperature and relative humidity have an effect on the influenza epidemics in China, and there is an interaction between the two meteorological factors, but the effect of each factor is heterogeneous among regions. Meteorological factors may be considered to predict the trend of influenza epidemic. |
| first_indexed | 2024-03-12T23:47:47Z |
| format | Article |
| id | doaj.art-c83d4125ff1541719f370fb2e07e9951 |
| institution | Directory Open Access Journal |
| issn | 2468-0427 |
| language | English |
| last_indexed | 2024-03-12T23:47:47Z |
| publishDate | 2023-09-01 |
| publisher | KeAi Communications Co., Ltd. |
| record_format | Article |
| series | Infectious Disease Modelling |
| spelling | doaj.art-c83d4125ff1541719f370fb2e07e99512023-07-14T04:28:13ZengKeAi Communications Co., Ltd.Infectious Disease Modelling2468-04272023-09-0183822831Effects and interaction of temperature and relative humidity on the trend of influenza prevalence: A multi-central study based on 30 provinces in mainland China from 2013 to 2018Yi Yin0Miao Lai1Sijia Zhou2Ziying Chen3Xin Jiang4Liping Wang5Zhongjie Li6Zhihang Peng7School of Public Health, Nanjing Medical University, Nanjing, 211166, ChinaSchool of Public Health, Nanjing Medical University, Nanjing, 211166, ChinaSchool of Public Health, Nanjing Medical University, Nanjing, 211166, ChinaSchool of Public Health, Nanjing Medical University, Nanjing, 211166, ChinaSchool of Public Health, Nanjing Medical University, Nanjing, 211166, ChinaDivision of Infectious Disease/Key Laboratory of Surveillance and Early Warning on Infectious Disease, Chinese Center for Disease Control and Prevention, Beijing, ChinaSchool of Population Medicine and Public Health, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, ChinaSchool of Public Health, Nanjing Medical University, Nanjing, 211166, China; Corresponding author. School of Public Health, Nanjing Medical University, 101 Longmian Ave, Nanjing, 211166, China.Background: Evidence is inefficient about how meteorological factors influence the trends of influenza transmission in different regions of China. Methods: We estimated the time-varying reproduction number (Rt) of influenza and explored the impact of temperature and relative humidity on Rt using generalized additive quasi-Poisson regression models combined with the distribution lag non-linear model (DLNM). The effect of temperature and humidity interaction on Rt of influenza was explored. The multiple random-meta analysis was used to evaluate region-specific association. The excess risk (ER) index was defined to investigate the correlation between Rt and each meteorological factor with the modification of seasonal and regional characteristics. Results: Low temperature and low relative humidity contributed to influenza epidemics on the national level, while shapes of merged cumulative effect plots were different across regions. Compared to that of median temperature, the merged RR (95%CI) of low temperature in northern and southern regions were 1.40(1.24,1.45) and 1.20 (1.14,1.27), respectively, while those of high temperature were 1.10(1.03,1.17) and 1.00 (0.95,1.04), respectively. There were negative interactions between temperature and relative humidity on national (SI = 0.59, 95%CI: 0.57–0.61), southern (SI = 0.49, 95%CI: 0.17–0.80), and northern regions (SI = 0.59, 95%CI: 0.56,0.62). In general, with the increase of the change of the two meteorological factors, the ER of Rt also gradually increased. Conclusions: Temperature and relative humidity have an effect on the influenza epidemics in China, and there is an interaction between the two meteorological factors, but the effect of each factor is heterogeneous among regions. Meteorological factors may be considered to predict the trend of influenza epidemic.http://www.sciencedirect.com/science/article/pii/S2468042723000635RtInfluenzaDLNMMeteorological factorsMultiple random-meta analysisMulti-central |
| spellingShingle | Yi Yin Miao Lai Sijia Zhou Ziying Chen Xin Jiang Liping Wang Zhongjie Li Zhihang Peng Effects and interaction of temperature and relative humidity on the trend of influenza prevalence: A multi-central study based on 30 provinces in mainland China from 2013 to 2018 Infectious Disease Modelling Rt Influenza DLNM Meteorological factors Multiple random-meta analysis Multi-central |
| title | Effects and interaction of temperature and relative humidity on the trend of influenza prevalence: A multi-central study based on 30 provinces in mainland China from 2013 to 2018 |
| title_full | Effects and interaction of temperature and relative humidity on the trend of influenza prevalence: A multi-central study based on 30 provinces in mainland China from 2013 to 2018 |
| title_fullStr | Effects and interaction of temperature and relative humidity on the trend of influenza prevalence: A multi-central study based on 30 provinces in mainland China from 2013 to 2018 |
| title_full_unstemmed | Effects and interaction of temperature and relative humidity on the trend of influenza prevalence: A multi-central study based on 30 provinces in mainland China from 2013 to 2018 |
| title_short | Effects and interaction of temperature and relative humidity on the trend of influenza prevalence: A multi-central study based on 30 provinces in mainland China from 2013 to 2018 |
| title_sort | effects and interaction of temperature and relative humidity on the trend of influenza prevalence a multi central study based on 30 provinces in mainland china from 2013 to 2018 |
| topic | Rt Influenza DLNM Meteorological factors Multiple random-meta analysis Multi-central |
| url | http://www.sciencedirect.com/science/article/pii/S2468042723000635 |
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