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Spatiotemporal clusters of HIV/AIDS infections caused by drug use and heterosexual contact in Ruili city, China 1989-2016.
BMC Infect Dis ; 19(1): 925, 2019 Oct 30.
Artigo em Inglês | MEDLINE | ID: mdl-31666015
ABSTRACT

BACKGROUND:

Ruili is a border city in southwest China along the heroin trafficking route. In recent decades, the city has witnessed increased in HIV transmission. The current study aims to explore the spatiotemporal trends in HIV prevalence identify and map the spatial variation and clustering of factors associated with HIV transmission through drug use and heterosexual contact transmissions at the village level from 1989 through 2016.

METHODS:

Geographic information system-based spatiotemporal analyses, including global and local spatial autocorrelation analyses and space-time scanning statistics, were applied to detect the location and extent of HIV/AIDS high-risk areas.

RESULTS:

Drug use and heterosexual contact were identified as the major transmission routes causing infection in Ruili. Results of global spatial analysis showed significant clustering throughout the city caused by transmission via drug use in the early phase of the epidemic and transmission via heterosexual contact in the late phase of the epidemic during the study period. Hotspots of transmission from drug use were randomly distributed throughout the city. However, the hotspots of transmission by heterosexual contact were located in the central area only around the Jiegao China-Myanmar land port. Space-time scanning showed that transmission from drug use clustered in the southwest area between 1989 and 1990, while transmission by heterosexual contact clustered in the central area between 2004 and 2014.

CONCLUSIONS:

Heterosexual contact has become the dominant mode of transmission. Interventions should focus on highly clustered area where is around the Jiegao land port.
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Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: MEDLINE Assunto principal: Infecções por HIV / Transtornos Relacionados ao Uso de Substâncias Aspecto clínico: Etiologia Limite: Adulto / Feminino / Humanos / Masculino País/Região como assunto: Ásia Idioma: Inglês Revista: BMC Infect Dis Assunto da revista: Doenças Transmissíveis Ano de publicação: 2019 Tipo de documento: Artigo