Transmission of tuberculosis in an incarcerated population during the subclinical period: A cross-sectional study in Qingdao, China
ObjectivesAs a closed gathering place, prison is the cradle of tuberculosis (TB) outbreak. Therefore, the analysis of the prevalence rate and risk factors of latent tuberculosis infection (LTBI) in prison will be a necessary measure to intervene in the spread of tuberculosis.MethodsIn this study, we...
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Frontiers Media S.A.
2023-01-01
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| Series: | Frontiers in Public Health |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fpubh.2023.1098519/full |
| _version_ | 1828054944294371328 |
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| author | Zhongdong Wang Haoran Li Song Song Haiyan Sun Xiaoqi Dai Meng Chen Honghong Xu Huaqiang Zhang Yu Pang |
| author_facet | Zhongdong Wang Haoran Li Song Song Haiyan Sun Xiaoqi Dai Meng Chen Honghong Xu Huaqiang Zhang Yu Pang |
| author_sort | Zhongdong Wang |
| collection | DOAJ |
| description | ObjectivesAs a closed gathering place, prison is the cradle of tuberculosis (TB) outbreak. Therefore, the analysis of the prevalence rate and risk factors of latent tuberculosis infection (LTBI) in prison will be a necessary measure to intervene in the spread of tuberculosis.MethodsIn this study, we consecutively recruited 506 adult prisoners in Qingdao to carry out this cross-sectional study. TB and LTBI were screened by IGRA, X-ray, X-pert, sputum smear and culture.ResultsA total of 17 TB, 101 LTBI and 388 HC were identified, with an infection rate of 23.32% (118/506) and a TB incidence rate of 3282/100,000 population. Age, malnutrition and inmates living with TB prisoners were risk factors for LTBI. Additionally, most TB cases (70.59%, 12/17) were subclinical tuberculosis (STB), contributing significantly to TB transmission.ConclusionOur results demonstrate that the transmission efficiency of asymptomatic patients is not essentially different from that of symptomatic patients, indicating that TB transmission occurs during the subclinical period. Our findings highlight the need to strengthen active case-finding strategies to increase TB case detection in this population. |
| first_indexed | 2024-04-10T20:30:46Z |
| format | Article |
| id | doaj.art-790bd471fc00410691f51b68dfc3535b |
| institution | Directory Open Access Journal |
| issn | 2296-2565 |
| language | English |
| last_indexed | 2024-04-10T20:30:46Z |
| publishDate | 2023-01-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Public Health |
| spelling | doaj.art-790bd471fc00410691f51b68dfc3535b2023-01-25T06:09:16ZengFrontiers Media S.A.Frontiers in Public Health2296-25652023-01-011110.3389/fpubh.2023.10985191098519Transmission of tuberculosis in an incarcerated population during the subclinical period: A cross-sectional study in Qingdao, ChinaZhongdong Wang0Haoran Li1Song Song2Haiyan Sun3Xiaoqi Dai4Meng Chen5Honghong Xu6Huaqiang Zhang7Yu Pang8Qingdao Municipal Center for Disease Control and Prevention, Qingdao, ChinaDepartment of Bacteriology and Immunology, Beijing Chest Hospital, Capital Medical University/Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, ChinaQingdao Municipal Center for Disease Control and Prevention, Qingdao, ChinaQingdao Municipal Center for Disease Control and Prevention, Qingdao, ChinaQingdao Municipal Center for Disease Control and Prevention, Qingdao, ChinaQingdao Municipal Center for Disease Control and Prevention, Qingdao, ChinaQingdao Municipal Center for Disease Control and Prevention, Qingdao, ChinaQingdao Municipal Center for Disease Control and Prevention, Qingdao, ChinaDepartment of Bacteriology and Immunology, Beijing Chest Hospital, Capital Medical University/Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, ChinaObjectivesAs a closed gathering place, prison is the cradle of tuberculosis (TB) outbreak. Therefore, the analysis of the prevalence rate and risk factors of latent tuberculosis infection (LTBI) in prison will be a necessary measure to intervene in the spread of tuberculosis.MethodsIn this study, we consecutively recruited 506 adult prisoners in Qingdao to carry out this cross-sectional study. TB and LTBI were screened by IGRA, X-ray, X-pert, sputum smear and culture.ResultsA total of 17 TB, 101 LTBI and 388 HC were identified, with an infection rate of 23.32% (118/506) and a TB incidence rate of 3282/100,000 population. Age, malnutrition and inmates living with TB prisoners were risk factors for LTBI. Additionally, most TB cases (70.59%, 12/17) were subclinical tuberculosis (STB), contributing significantly to TB transmission.ConclusionOur results demonstrate that the transmission efficiency of asymptomatic patients is not essentially different from that of symptomatic patients, indicating that TB transmission occurs during the subclinical period. Our findings highlight the need to strengthen active case-finding strategies to increase TB case detection in this population.https://www.frontiersin.org/articles/10.3389/fpubh.2023.1098519/fulltuberculosisincarcerated populationtransmissionsubclinical periodcross-sectional study |
| spellingShingle | Zhongdong Wang Haoran Li Song Song Haiyan Sun Xiaoqi Dai Meng Chen Honghong Xu Huaqiang Zhang Yu Pang Transmission of tuberculosis in an incarcerated population during the subclinical period: A cross-sectional study in Qingdao, China Frontiers in Public Health tuberculosis incarcerated population transmission subclinical period cross-sectional study |
| title | Transmission of tuberculosis in an incarcerated population during the subclinical period: A cross-sectional study in Qingdao, China |
| title_full | Transmission of tuberculosis in an incarcerated population during the subclinical period: A cross-sectional study in Qingdao, China |
| title_fullStr | Transmission of tuberculosis in an incarcerated population during the subclinical period: A cross-sectional study in Qingdao, China |
| title_full_unstemmed | Transmission of tuberculosis in an incarcerated population during the subclinical period: A cross-sectional study in Qingdao, China |
| title_short | Transmission of tuberculosis in an incarcerated population during the subclinical period: A cross-sectional study in Qingdao, China |
| title_sort | transmission of tuberculosis in an incarcerated population during the subclinical period a cross sectional study in qingdao china |
| topic | tuberculosis incarcerated population transmission subclinical period cross-sectional study |
| url | https://www.frontiersin.org/articles/10.3389/fpubh.2023.1098519/full |
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