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Showing 1 - 11 of 11 Items
Showing 1 - 11 of 11 Items
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Journal Article
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Research

Impact of a multi-pronged cholera intervention in an endemic setting

Blake A, Walder A, Hanks EM, Welo PO, Luquero F,  et al.
2025-02-19 • PLOS Neglected Tropical Diseases
2025-02-19 • PLOS Neglected Tropical Diseases

Cholera is a bacterial water-borne diarrheal disease transmitted via the fecal-oral route that causes high morbidity in sub-Saharan Africa and Asia. It is preventable with vaccination...

Journal Article
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Research

Risk factors for cholera transmission in Haiti during inter-peak periods: insights to improve current control strategies from two case-control studies

Grandesso F, Allan M, Jean-Simon PSJ, Boncy J, Blake A,  et al.
2013-10-11 • Epidemiology and Infection
2013-10-11 • Epidemiology and Infection
SUMMARY Two community-based density case-control studies were performed to assess risk factors for cholera transmission during inter-peak periods of the ongoing epidemic in two Haitian u...
Journal Article
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Research

Alternative observational designs to estimate the effectiveness of one dose of oral cholera vaccine in Lusaka, Zambia

Ferreras E, Blake A, Chewe O, Mwaba J, Zulu G,  et al.
2020-03-13 • Epidemiology and Infection
2020-03-13 • Epidemiology and Infection
We conducted a matched case-control (MCC), test-negative case-control (TNCC) and case-cohort study in 2016 in Lusaka, Zambia, following a mass vaccination campaign. Confirmed cholera cas...
Journal Article
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Research

Measles seroprevalence after reactive vaccination campaigns during the 2015 measles outbreak in four health zones of the former Katanga Province, Democratic Republic of Congo

Keating P, Carrion Martin AI, Blake A, Lechevalier P, Uzzeni F,  et al.
2019-08-22 • BMC Public Health
2019-08-22 • BMC Public Health
BACKGROUND:
Measles continues to circulate in the Democratic Republic of Congo, and the country suffered from several important outbreaks over the last 5 years. Despite a large outb...
Journal Article
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Research

Evaluation of the SD Bioline cholera rapid diagnostic test during the 2016 cholera outbreak in Lusaka, Zambia

Mwaba J, Ferreras E, Chizema Kawesha E, Mwimbe D, Tafirenyika F,  et al.
2018-05-31 • Tropical Medicine and International Health
2018-05-31 • Tropical Medicine and International Health
OBJECTIVE
To assess the performance of the SD Bioline Cholera Ag O1/O139 rapid diagnostic test (RDT) compared to a reference standard combining culture and PCR for the diagnosis of c...
Journal Article
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Research

Delayed second dose of oral cholera vaccine administered before high-risk period for cholera transmission: Cholera control strategy in Lusaka, 2016

Ferreras E, Matopo B, Chizema Kawesha E, Chewe O, Mzyece H,  et al.
2019-08-30 • PLOS One
2019-08-30 • PLOS One
BACKGROUND:
In April 2016, an emergency vaccination campaign using one dose of Oral Cholera Vaccine (OCV) was organized in response to a cholera outbreak that started in Lusaka in F...
Journal Article
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Research

High cholera vaccination coverage following emergency campaign in Haiti: Results from a cluster survey in three rural Communes in the South Department, 2017

Sharp A, Blake A, Backx J, Panunzi I, Barrais R,  et al.
2020-01-31 • PLOS Neglected Tropical Diseases
2020-01-31 • PLOS Neglected Tropical Diseases
Oral cholera vaccine (OCV) has increasingly been used as an outbreak control measure, but vaccine shortages limit its application. A two-dose OCV campaign targeting residents aged over 1...
Journal Article
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Research

Investigating persistent measles dynamics in Niger and associations with rainfall

Blake A, Djibo A, Guindo O, Bharti N
2020-08-26 • Journal of the Royal Society Interface
2020-08-26 • Journal of the Royal Society Interface
Measles is a major cause of child mortality in sub-Saharan Africa. Current immunization strategies achieve low coverage in areas where transmission drivers differ substantially from thos...
Journal Article
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Research

Feasibility of satellite image and GIS sampling for population representative surveys: a case study from rural Guatemala

Miller AC, Rohloff P, Blake A, Dhaenens E, Shaw L,  et al.
2020-12-05
2020-12-05
Background
Population-representative household survey methods require up-to-date sampling frames and sample designs that minimize time and cost of fieldwork especially in low- and m...
Journal Article
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Research

Highly targeted cholera vaccination campaigns in urban setting are feasible: The experience in Kalemie, Democratic Republic of Congo

Massing LA, Aboubakar S, Blake A, Page AL, Cohuet S,  et al.
2018-05-07 • PLOS Neglected Tropical Diseases
2018-05-07 • PLOS Neglected Tropical Diseases
Oral cholera vaccines are primarily recommended by the World Health Organization for cholera control in endemic countries. However, the number of cholera vaccines currently produced is v...
Journal Article
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Letter

Single-dose cholera vaccine in response to an outbreak in Zambia

Ferreras E, Chizema Kawesha E, Blake A, Chewe O, Mwaba J,  et al.
2018-02-08 • New England Journal of Medicine
2018-02-08 • New England Journal of Medicine