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1.
Infect Dis Poverty ; 5(1): 74, 2016 Aug 05.
Artículo en Inglés | MEDLINE | ID: mdl-27491387

RESUMEN

BACKGROUND: The Ebola virus disease spread rapidly in West Africa in 2014, leading to the loss of thousands of lives. Community engagement was one of the key strategies to interrupt Ebola transmission, and practical community level measures needed to be explored in the field and tailored to the specific context of communities. METHODS: First, community-level education on Ebola virus disease (EVD) prevention was launched for the community's social mobilizers in six districts in Sierra Leone beginning in November 2014. Then, from January to May of 2015, in three pilot communities, local trained community members were organized to engage in implementation of EVD prevention and transmission interruption measures, by involving them in alert case report, contact tracing, and social mobilization. The epidemiological indicators of transmission interruption in three study communities were evaluated. RESULTS: A total of 6 016 community social mobilizers from 185 wards were trained by holding 279 workshops in the six districts, and EVD message reached an estimated 631 680 residents. In three pilot communities, 72 EVD alert cases were reported, with 70.8 % of them detected by trained local community members, and 14 EVD cases were finally identified. Contact tracing detected 64.3 % of EVD cases. The median duration of community infectivity for the cases was 1 day. The secondary attack rate was 4.2 %, and no third generation of infection was triggered. No health worker was infected, and no unsafe burial and noncompliance to EVD control measures were recorded. The community-based measures were modeled to reduce 77 EVD cases, and the EVD-free goal was achieved four months earlier in study communities than whole country of Sierra Leone. CONCLUSIONS: The community-based strategy of social mobilization and community engagement was effective in case detection and reducing the extent of Ebola transmission in a country with weak health system. The successfully practical experience to reduce the risk of Ebola transmission in the community with poor resources would potentially be helpful for the global community to fight against the EVD and the other diseases in the future.


Asunto(s)
Brotes de Enfermedades/prevención & control , Ebolavirus/fisiología , Fiebre Hemorrágica Ebola/epidemiología , Fiebre Hemorrágica Ebola/prevención & control , Adolescente , Adulto , Niño , Preescolar , Femenino , Fiebre Hemorrágica Ebola/transmisión , Fiebre Hemorrágica Ebola/virología , Humanos , Incidencia , Masculino , Persona de Mediana Edad , Modelos Teóricos , Sierra Leona/epidemiología , Adulto Joven
2.
Artículo en Zh | MEDLINE | ID: mdl-19799004

RESUMEN

OBJECTIVE: To investigate genotype of HCV infection among residents in a rural village, Hebei Province. METHODS: Blood samples of the 520 residents were collected, and C/E1 of HCV genome of the 483 samples were obtained by RT-PCR amplifying, and the gene sequences were analyzed and the polygenetic tree were drawn by the software Mega 4.0. RESULTS: In 483 subjects, HCV-RNA positive objectives are 70, positive prevalence is 14.5%, genotyping for all the samples successfully, including genotypes 1b and 2a, which are 36 (51.4%), 34 (48.6%) respectively. CONCLUSION: HCV RNA positive rate is 14.5%, which is higher than general people. Subtypes 1b and 2a seemed to be the dominant genotypes of HCV in Zhao county area of Hebei Province.


Asunto(s)
Donantes de Sangre , Hepacivirus/genética , Hepatitis C/epidemiología , Adolescente , Adulto , Niño , Preescolar , China/epidemiología , Femenino , Genotipo , Hepacivirus/clasificación , Hepacivirus/aislamiento & purificación , Hepatitis C/virología , Humanos , Lactante , Recién Nacido , Masculino , Persona de Mediana Edad , Datos de Secuencia Molecular , Filogenia , Adulto Joven
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