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Huang S, Wang H, Li Z, Wang Z, Ma T, Song R, Lu M, Han X, Zhang Y, Wang Y, Zhen Q, Shui T. Risk effects of meteorological factors on human brucellosis in Jilin province, China, 2005-2019. Heliyon 2024; 10:e29611. [PMID: 38660264 PMCID: PMC11040064 DOI: 10.1016/j.heliyon.2024.e29611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 04/10/2024] [Accepted: 04/10/2024] [Indexed: 04/26/2024] Open
Abstract
Background The impact of climate on zoonotic infectious diseases (or can be referred to as climate-sensitive zoonotic diseases) is confirmed. Yet, research on the association between brucellosis and climate is limited. We aim to understand the impact of meteorological factors on the risk of brucellosis, especially in northeastern China. Methods Monthly incidence data for brucellosis from 2005 to 2019 in Jilin province was obtained from the China Information System for Disease Control and Prevention (CDC). Monthly meteorological data (average temperature (°C), wind velocity (m/s), relative humidity (%), sunshine hours (h), air pressure (hPa), and rainfall (mm)) in Jilin province, China, from 2005 to 2019 were collected from the China Meteorological Information Center (http://data.cma.cn/). The Spearman's correlation was used to choose among the several meteorological variables. A distributed lag non-linear model (DLNM) was used to estimate the lag and non-linearity effect of meteorological factors on the risk of brucellosis. Results A total of 24,921 cases of human brucellosis were reported in Jilin province from 2005 to 2019, with the peak epidemic period from April to June. Low temperature and low sunshine hours were protective factors for the brucellosis, where the minimum RR values were 0.50 (95 % CI = 0.31-0.82) for -13.7 °C with 1 month lag and 0.61 (95 % CI = 0.41-0.91) for 110.5h with 2 months lag, respectively. High temperature, high sunshine hours, and low wind velocity were risk factors for brucellosis. The maximum RR values were 2.91 (95 % CI = 1.43-5.92, lag = 1, 25.7 °C), 1.85 (95 % CI = 1.23-2.80, lag = 2, 332.6h), and 1.68 (95 % CI = 1.25-2.26, lag = 2, 1.4 m/s). The trends in the impact of extreme temperature and extreme sunshine hours on the transmission of brucellosis were generally consistent. Conclusion High temperature, high sunshine hours, and low wind velocity are more conducive to the transmission of brucellosis with an obvious lag effect. The results will deepen the understanding of the relationship between climate and brucellosis and provide a reference for formulating relevant public health policies.
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Affiliation(s)
- Shanjun Huang
- Department of Epidemiology and Biostatistics, Key Laboratory of Zoonosis, Ministry of Education, School of Public Health, Jilin University, Changchun, Jilin, PR China
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonoses Research of the Ministry of Education, Changchun, PR China
| | - Hao Wang
- Department of Epidemiology and Biostatistics, Key Laboratory of Zoonosis, Ministry of Education, School of Public Health, Jilin University, Changchun, Jilin, PR China
| | - Zhuo Li
- Department of Epidemiology and Biostatistics, Key Laboratory of Zoonosis, Ministry of Education, School of Public Health, Jilin University, Changchun, Jilin, PR China
| | - Zhaohan Wang
- Department of Epidemiology and Biostatistics, Key Laboratory of Zoonosis, Ministry of Education, School of Public Health, Jilin University, Changchun, Jilin, PR China
| | - Tian Ma
- Department of Epidemiology and Biostatistics, Key Laboratory of Zoonosis, Ministry of Education, School of Public Health, Jilin University, Changchun, Jilin, PR China
| | - Ruifang Song
- Department of Epidemiology and Biostatistics, Key Laboratory of Zoonosis, Ministry of Education, School of Public Health, Jilin University, Changchun, Jilin, PR China
| | - Menghan Lu
- Department of Epidemiology and Biostatistics, Key Laboratory of Zoonosis, Ministry of Education, School of Public Health, Jilin University, Changchun, Jilin, PR China
| | - Xin Han
- Department of Epidemiology and Biostatistics, Key Laboratory of Zoonosis, Ministry of Education, School of Public Health, Jilin University, Changchun, Jilin, PR China
| | - Yiting Zhang
- Department of Epidemiology and Biostatistics, Key Laboratory of Zoonosis, Ministry of Education, School of Public Health, Jilin University, Changchun, Jilin, PR China
| | - Yingtong Wang
- Department of Epidemiology and Biostatistics, Key Laboratory of Zoonosis, Ministry of Education, School of Public Health, Jilin University, Changchun, Jilin, PR China
| | - Qing Zhen
- Department of Epidemiology and Biostatistics, Key Laboratory of Zoonosis, Ministry of Education, School of Public Health, Jilin University, Changchun, Jilin, PR China
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonoses Research of the Ministry of Education, Changchun, PR China
| | - Tiejun Shui
- Yunnan Center for Disease Control and Prevention, Kunming, Yunnan, PR China
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Luan G, Hu Y, Chen M, You M, Xu C, Yin D, Liu J, Yao H. Associations Between Air Temperature and Daily Varicella Cases - Jinan City, Shandong Province, China, 2019-2021. China CDC Wkly 2024; 6:36-39. [PMID: 38250698 PMCID: PMC10797300 DOI: 10.46234/ccdcw2024.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Accepted: 01/05/2024] [Indexed: 01/23/2024] Open
Abstract
What is already known about this topic? The impact of air temperature on varicella has been studied, but there is limited research exploring its effect on varicella by gender and age group. What is added by this report? We conducted a time series analysis to examine the differential effects of air temperature on varicella infection across different demographic groups. Our findings indicate that lower temperatures have a more pronounced influence on varicella incidence among males and children compared to females and adults. What are the implications for public health practice? These findings can assist in identifying populations that are vulnerable to temperature-related varicella and in guiding the implementation of effective measures for varicella control.
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Affiliation(s)
- Guijie Luan
- Chinese Center for Disease Control and Prevention, Beijing, China
- Institute for Immunization management, Shandong Center for Disease Control and Prevention, Jinan City, Shandong Province, China
| | - Yuehua Hu
- Chinese Center for Disease Control and Prevention, Beijing, China
| | - Meng Chen
- Institute for Immunization management, Shandong Center for Disease Control and Prevention, Jinan City, Shandong Province, China
| | - Meiying You
- Chinese Center for Disease Control and Prevention, Beijing, China
| | - Chengdong Xu
- State Key Laboratory of Resources and Environmental Information System, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China
| | - Dapeng Yin
- Hainan Provincial Center for Disease Control and Prevention, Haikou City, Hainan Province, China
| | - Jianjun Liu
- Chinese Center for Disease Control and Prevention, Beijing, China
| | - Hongyan Yao
- Chinese Center for Disease Control and Prevention, Beijing, China
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Wang M, Li X, You M, Wang Y, Liu X, Li Z, Zhao W, Jiang Z, Hu Y, Yin D. Epidemiological Characteristics of Varicella Outbreaks - China, 2006-2022. China CDC Wkly 2023; 5:1161-1166. [PMID: 38164468 PMCID: PMC10757729 DOI: 10.46234/ccdcw2023.218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Accepted: 12/21/2023] [Indexed: 01/03/2024] Open
Abstract
Introduction Varicella outbreaks significantly disrupt schools and other child-centered institutions. This study aimed to identify patterns and epidemiological features of varicella outbreaks in China from 2006 to 2022. Methods Data were extracted from outbreak reports submitted to the Public Health Emergency Reporting Management Information System within the specified timeframe. Analytical methods included Spearman correlation tests and the Mann-Kendall trend tests, conducted using R software to analyze and summarize reported data. Additionally, statistical analyses of trends and epidemiological characteristics were performed using SPSS software. Results Between 2006 and 2022, a total of 11,990 varicella outbreaks were reported in China, resulting in 354,082 cases. The attack rates showed a decreasing trend over the years (Z=-4.49, P<0.05). These outbreaks occurred in two peaks annually. The eastern region accounted for the highest number of outbreaks (31.53%), followed by the southwestern (24.22%) and southern (17.93%) regions. Varicella outbreaks were most common in elementary schools. Most of the outbreaks (60.43%) were classified as Grade IV (general) severity, with 86.41% of the outbreaks having 10-49 cases. The median and inter-quartile ranges (IQR) of the duration of outbreaks, response time, and case counts were 21 (10, 39) days, 4 (0, 12) days, and 23 (16, 35) cases, respectively. These variables showed a positive correlation (P<0.001). Conclusions Varicella outbreaks exhibited fluctuating trends, initially decreasing until 2012, followed by an increase, reaching the highest peak in 2018-2019. Continual monitoring of varicella epidemiology is necessary to assess the burden of the disease and formulate evidence-based strategies and policies for its prevention and control.
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Affiliation(s)
- Miaomiao Wang
- Office of Epidemiology, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Xudong Li
- Office of Epidemiology, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Meiying You
- Office of Epidemiology, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Yuanyuan Wang
- Weifang Center for Disease Control and Prevention, Weifang City, Shandong Province, China
| | - Xinyu Liu
- Office of Epidemiology, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Zihan Li
- Office of Epidemiology, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Wenjia Zhao
- Office of Epidemiology, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Zhuojun Jiang
- Training and Outreach Division, National Center for Mental Health, Beijing, China
| | - Yuehua Hu
- Office of Epidemiology, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Dapeng Yin
- Hainan Center for Disease Control and Prevention, Haikou City, Hainan Province, China
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Wang H, Huang S, Wang Z, Zhen H, Li Z, Fan W, Lu M, Han X, Du L, Zhao M, Yan Y, Zhang X, Zhen Q, Shui T. Association between meteorological factors and varicella incidence: a multicity study in Yunnan Province, China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:117817-117828. [PMID: 37874521 DOI: 10.1007/s11356-023-30457-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 10/09/2023] [Indexed: 10/25/2023]
Abstract
This multicenter study aimed to investigate the relationship between varicella incidence and meteorological factors including mean temperature, relative humidity, sunshine duration, diurnal temperature difference, wind speed, and rainfall, as previous studies have produced varying results. Our study also sought to identify potential sources of heterogeneity. Data on reported daily varicella numbers and meteorological factors were collected for 14 cities in Yunnan Province from 2017 to 2021. A distribution-lagged nonlinear model was constructed to explore the relationship between meteorological conditions and varicella incidence in each included city. We then used multiple meta-regression to explore sources of heterogeneity using demographic economics indicators, air pollutants, and geographic location as potential modifiers. The cumulative hazard effect plot showed an inverted S-shape for the relationship between temperature and varicella, with the smallest RR (relative risk) (0.533, 95% CI: 0.401-0.708) at temperatures up to 27.2 °C. The maximum RR (1.171, 95% CI: 1.001-1.371) was obtained when the relative humidity was equal to 98.5%. The RR (1.164, 95% CI: 1.002-1.352) was greatest at a diurnal temperature range of 2 °C (1.164, 95% CI: 1.002-1.352) and least (0.913, 95% CI: 0.834-0.999) at a diurnal temperature range of 16.1 °C. The maximum RR (1.214, 95% CI: 1.089-1.354) was obtained at 0 h of sunshine, and the minimum RR (0.808, 95% CI: 0.675-0.968) was obtained at 12.4 h of sunshine. The RR (0.792, 95% CI: 0.633-0.992) was minimum at a wind velocity of 4.8 m/s. Residual heterogeneity ranged from 1 to 42.7%, with PM10 (particles with an aerodynamic diameter less than 10 μm), GDP (gross domestic product), and population density explaining some of this heterogeneity. The temperature has a dual effect on varicella incidence. Varicella cases are negatively correlated with diurnal temperature range, sunshine duration, and wind speed, and positively correlated with relative humidity. GDP and PM10 may have a significant role in altering the association between temperature and varicella, while PM10 and population density may alter the association between wind velocity and varicella.
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Affiliation(s)
- Hao Wang
- Department of Epidemiology and Biostatistics, Key Laboratory of Zoonosis, Ministry of Education, School of Public Health, Jilin University, Changchun, Jilin, China
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonoses Research of the Ministry of Education, Changchun, China
| | - Shanjun Huang
- Department of Epidemiology and Biostatistics, Key Laboratory of Zoonosis, Ministry of Education, School of Public Health, Jilin University, Changchun, Jilin, China
| | - Zhaohan Wang
- Department of Epidemiology and Biostatistics, Key Laboratory of Zoonosis, Ministry of Education, School of Public Health, Jilin University, Changchun, Jilin, China
| | - Hua Zhen
- Department of Epidemiology and Biostatistics, Key Laboratory of Zoonosis, Ministry of Education, School of Public Health, Jilin University, Changchun, Jilin, China
| | - Zhuo Li
- Department of Epidemiology and Biostatistics, Key Laboratory of Zoonosis, Ministry of Education, School of Public Health, Jilin University, Changchun, Jilin, China
| | - Wenqi Fan
- Department of Epidemiology and Biostatistics, Key Laboratory of Zoonosis, Ministry of Education, School of Public Health, Jilin University, Changchun, Jilin, China
| | - Menghan Lu
- Department of Epidemiology and Biostatistics, Key Laboratory of Zoonosis, Ministry of Education, School of Public Health, Jilin University, Changchun, Jilin, China
| | - Xin Han
- Department of Epidemiology and Biostatistics, Key Laboratory of Zoonosis, Ministry of Education, School of Public Health, Jilin University, Changchun, Jilin, China
| | - Lanping Du
- Department of Epidemiology and Biostatistics, Key Laboratory of Zoonosis, Ministry of Education, School of Public Health, Jilin University, Changchun, Jilin, China
| | - Meifang Zhao
- Department of Epidemiology and Biostatistics, Key Laboratory of Zoonosis, Ministry of Education, School of Public Health, Jilin University, Changchun, Jilin, China
| | - Yuke Yan
- Department of Epidemiology and Biostatistics, Key Laboratory of Zoonosis, Ministry of Education, School of Public Health, Jilin University, Changchun, Jilin, China
| | - Xinyao Zhang
- Department of Epidemiology and Biostatistics, Key Laboratory of Zoonosis, Ministry of Education, School of Public Health, Jilin University, Changchun, Jilin, China
- Department of Social Medicine and Health Care Management, School of Public Health, Jilin University, Changchun, China
| | - Qing Zhen
- Department of Epidemiology and Biostatistics, Key Laboratory of Zoonosis, Ministry of Education, School of Public Health, Jilin University, Changchun, Jilin, China.
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonoses Research of the Ministry of Education, Changchun, China.
| | - Tiejun Shui
- Yunnan Center for Disease Control and Prevention, Kunming, Yunnan, China
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Zhang R, Zhang W, Ling J, Dong J, Zhang L, Ruan Y. Association between air temperature and risk of hospitalization for genitourinary disorders: An environmental epidemiological study in Lanzhou, China. PLoS One 2023; 18:e0292530. [PMID: 37819991 PMCID: PMC10566730 DOI: 10.1371/journal.pone.0292530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Accepted: 09/18/2023] [Indexed: 10/13/2023] Open
Abstract
OBJECTIVES The aim of this study was to investigate the relationship between air temperature and the risk of hospitalization for genitourinary disorders. METHODS Distributed lag non-linear models (DLNM) were used to estimate the association between air temperature and the risk of hospitalization for genitourinary disorders, with subgroup analysis by gender and age to identify the susceptible population of temperature-sensitive genitourinary system diseases. RESULTS Low mean temperature (MT) (RR = 2.001, 95% CI: 1.856~2.159), high MT (RR = 2.884, 95% CI: 2.621~3.173) and low diurnal temperature range (DTR) (RR = 1.619, 95% CI: 1.508~1.737) were all associated with the increased risk of hospitalization for genitourinary disorders in the total population analysis, and the high MT effect was stronger than the low MT effect. Subgroup analysis found that high MT was more strongly correlated in male (RR = 2.998, 95% CI: 2.623~3.427) and those <65 years (RR = 3.003, 95% CI: 2.670~3.344), and low DTR was more strongly correlated in female (RR = 1.669, 95% CI: 1.510~1.846) and those <65 years (RR = 1.643, 95% CI: 1.518~1.780). CONCLUSIONS The effect of high MT on the risk of hospitalization for genitourinary disorders is more significant than that of low MT. DTR was independently associated with the risk of hospitalization for genitourinary disorders.
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Affiliation(s)
- Runping Zhang
- School of Public Health, Lanzhou University, Lanzhou, People’s Republic of China
| | - Wancheng Zhang
- School of Public Health, Lanzhou University, Lanzhou, People’s Republic of China
| | - Jianglong Ling
- School of Public Health, Lanzhou University, Lanzhou, People’s Republic of China
| | - Jiyuan Dong
- School of Public Health, Lanzhou University, Lanzhou, People’s Republic of China
| | - Li Zhang
- School of Public Health, Lanzhou University, Lanzhou, People’s Republic of China
| | - Ye Ruan
- School of Public Health, Lanzhou University, Lanzhou, People’s Republic of China
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