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2.
MMWR Morb Mortal Wkly Rep ; 64(26): 714-8, 2015 Jul 10.
Artículo en Inglés | MEDLINE | ID: mdl-26158352

RESUMEN

As of July 1, 2015, Guinea, Liberia, and Sierra Leone have reported a total of 27,443 confirmed, probable, and suspected Ebola virus disease (Ebola) cases and 11,220 deaths. Guinea and Sierra Leone have yet to interrupt transmission of Ebola virus. In January, 2016, Liberia successfully achieved Ebola transmission-free status, with no new Ebola cases occurring during a 42-day period; however, new Ebola cases were reported beginning June 29, 2015. Local cultural practices and beliefs have posed challenges to disease control, and therefore, targeted, timely health messages are needed to address practices and misperceptions that might hinder efforts to stop the spread of Ebola. As early as September 2014, Ebola spread to most counties in Liberia. To assess Ebola-related knowledge, attitudes, and practices (KAP) in the community, CDC epidemiologists who were deployed to the counties (field team), carried out a survey conducted by local trained interviewers. The survey was conducted in September and October 2014 in five counties in Liberia with varying cumulative incidence of Ebola cases. Survey results indicated several findings. First, basic awareness of Ebola was high across all surveyed populations (median correct responses = 16 of 17 questions on knowledge of Ebola transmission; range = 2-17). Second, knowledge and understanding of Ebola symptoms were incomplete (e.g., 61% of respondents said they would know if they had Ebola symptoms). Finally, certain fears about the disease were present: >90% of respondents indicated a fear of Ebola patients, >40% a fear of cured patients, and >50% a fear of treatment units (expressions of this last fear were greater in counties with lower Ebola incidence). This survey, which was conducted at a time when case counts were rapidly increasing in Liberia, indicated limited knowledge of Ebola symptoms and widespread fear of Ebola treatment units despite awareness of communication messages. Continued efforts are needed to address cultural practices and beliefs to interrupt Ebola transmission.


Asunto(s)
Conocimientos, Actitudes y Práctica en Salud , Fiebre Hemorrágica Ebola , Características de la Residencia , Adolescente , Adulto , Anciano , Anciano de 80 o más Años , Niño , Recolección de Datos , Femenino , Fiebre Hemorrágica Ebola/epidemiología , Fiebre Hemorrágica Ebola/psicología , Fiebre Hemorrágica Ebola/terapia , Humanos , Liberia/epidemiología , Masculino , Persona de Mediana Edad , Adulto Joven
3.
Prehosp Disaster Med ; 32(6): 673-678, 2017 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-28748776

RESUMEN

BACKGROUND: In early 2015, a patient from a cluster of cases of Ebola Virus Disease (EVD) in Monrovia, Liberia traveled to a rural village in Margibi County, potentially exposing numerous persons. The patient died in the village and post-mortem testing confirmed Ebola Virus infection. Problem The Margibi County Health Team (CHT; Kakata, Margibi, Liberia) needed to prevent further transmission of EVD within and outside of the affected villages, and they needed to better understand the factors that support or impede compliance with measures to stop the spread of EVD. METHODS: In February-March 2015, the Margibi CHT instituted a 21-day quarantine and active monitoring for two villages where the patient had contact with numerous residents, and a 21-day active monitoring for five other villages where the patient had possible contact with an unknown number of persons. One contact developed EVD and quarantine was extended an additional 12 days in one village. In April 2015, the Margibi CHT conducted a household-based EVD knowledge, attitudes, and practices (KAP) survey of the seven villages. From April 24-29, 2015, interview teams approached every household in the seven villages and collected information on demographics, knowledge of EVD, attitudes about quarantine to prevent the spread of EVD, and their quarantine experiences and practices. Descriptive statistics were calculated. RESULTS: One hundred fifteen interviews were conducted, representing the majority of the households in the seven villages. Most (99%) correctly identified touching an infected person's body fluids and contact with the body of someone who has died from EVD as transmission routes. However, interviewees sometimes incorrectly identified mosquito bites (58%) and airborne spread (32%) as routes of EVD transmission, and 72% incorrectly identified the longest EVD incubation period as ≤seven days. Eight of 16 households in the two quarantined villages (50%) reported times when there was not enough water or food during quarantine. Nine of 16 (56%) reported that a household member had illnesses or injuries during quarantine; of these, all (100%) obtained care from a clinic, hospital, or Ebola treatment unit (ETU). CONCLUSION: Residents' knowledge of EVD transmission routes and incubation period were suboptimal. Public health authorities should consider assessing residents' understanding of Ebola transmission routes and effectively educate them to ensure correct understanding. Quarantined residents should be provided with sufficient food, water, and access to medical care. Wilken JA , Pordell P , Goode B , Jarteh R , Miller Z , Saygar BG Sr. , Maximore L , Borbor WM , Carmue M , Walker GW , Yeiah A . Knowledge, attitudes, and practices among members of households actively monitored or quarantined to prevent transmission of Ebola Virus Disease - Margibi County, Liberia: February-March 2015. Prehosp Disaster Med. 2017;32(6):673-678.


Asunto(s)
Brotes de Enfermedades , Composición Familiar , Conocimientos, Actitudes y Práctica en Salud , Fiebre Hemorrágica Ebola/prevención & control , Cuarentena , Adulto , Femenino , Fiebre Hemorrágica Ebola/epidemiología , Humanos , Entrevistas como Asunto , Liberia , Masculino , Población Rural , Encuestas y Cuestionarios
4.
Sci Adv ; 2(4): e1600378, 2016 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-27386513

RESUMEN

On 29 June 2015, Liberia's respite from Ebola virus disease (EVD) was interrupted for the second time by a renewed outbreak ("flare-up") of seven confirmed cases. We demonstrate that, similar to the March 2015 flare-up associated with sexual transmission, this new flare-up was a reemergence of a Liberian transmission chain originating from a persistently infected source rather than a reintroduction from a reservoir or a neighboring country with active transmission. Although distinct, Ebola virus (EBOV) genomes from both flare-ups exhibit significantly low genetic divergence, indicating a reduced rate of EBOV evolution during persistent infection. Using this rate of change as a signature, we identified two additional EVD clusters that possibly arose from persistently infected sources. These findings highlight the risk of EVD flare-ups even after an outbreak is declared over.


Asunto(s)
Ebolavirus/patogenicidad , Fiebre Hemorrágica Ebola/epidemiología , Fiebre Hemorrágica Ebola/transmisión , Brotes de Enfermedades , Ebolavirus/genética , Genoma Viral/genética , Fiebre Hemorrágica Ebola/genética , Fiebre Hemorrágica Ebola/virología , Humanos , Liberia
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