A group outbreak of cholera caused by Vibrio eltor in the Samarkand Province++ in 1990 is analyzed. The retrospective analysis of the isolation of V. cholerae from water of surface reservoirs has been made. The study points out that since the cholera epidemic of 1985 V. cholerae avirulent strains, serogroup O1, have been periodically isolated in the Samarkand Province. The conclusion has been made that the isolation of even avirulent strains only from environmental objects is indicative of the unfavorable epidemiological situation in this area and of the necessity to take measures for improving epidemiological surveillance.
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Niger Med J
January 2025
Department of Medical Laboratory Services, Federal Medical Center, Yenagoa, Bayelsa State, Nigeria.
Cholera remains a significant public health challenge in Nigeria, with recurrent outbreaks exacerbated by inadequate water, sanitation, and hygiene (WASH) infrastructure, as well as conflict and displacement. This review examines cholera outbreaks in Nigeria from 2010 to 2024, analyzing epidemiological trends, contributing factors, and public health responses. Seasonal peaks during periods of heavy rainfall and flooding have consistently facilitated transmission, with Northern regions disproportionately affected due to poor infrastructure and ongoing conflicts.
View Article and Find Full Text PDFPLoS Negl Trop Dis
January 2025
Center for Humanitarian Health, Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America.
Background: Cholera outbreaks are surging worldwide. Growing research supports case-area targeted interventions (CATIs), whereby teams provide a package of interventions to case and neighboring households, as an effective strategy in cholera outbreak control, particularly in humanitarian settings. While research exists on individual CATI interventions, research gaps exist on outcomes of integrated interventions during CATI responses.
View Article and Find Full Text PDFInt J Infect Dis
January 2025
Eastern Mediterranean Public Health Network.
In 2023, Sudan was affected by a major cholera outbreak affected 10 states amidst armed conflict that severely disrupted the health services. This study aimed to describe the magnitude, pattern, and trend (2023-2024) of cholera outbreak in Sudan across different states. Cholera outbreak caused significant morbidity and mortality facilitated the armed conflict that hampered the response by damaging infrastructure, displacing people, and disrupting healthcare services.
View Article and Find Full Text PDFBMJ Glob Health
January 2025
World Health Organization, Nairobi, Kenya.
Cholera has remained a persistent public health challenge in Zambia since the country's first reported outbreak in 1977. The recent outbreak, which began in October 2023 and is ongoing as of June 2024, is the most severe in Zambia's history and part of the larger 2022-2024 Southern Africa cholera outbreak, which has affected multiple countries in the region. This article describes the implementation of the integrated community strategy for cholera control (ICSCC) in three districts of the Copperbelt Province during this outbreak.
View Article and Find Full Text PDFBMJ Glob Health
January 2025
Emergency Preparedness and Response Programme, Brazzaville, Congo.
Introduction: Cholera outbreaks remain persistent in the WHO African region, with an increased trend in recent years. This study analyses actual drivers of cholera including correlations with water, sanitation, and hygiene (WASH) indicators, and climate change trends.
Methods: This was a cross-sectional descriptive and analytic study.
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