ArticleBMC infectious diseases2025
Food poisoning outbreak caused by Aeromonas bacteria at a funeral in Buyengo Town Council, Jinja District, Uganda, February 2024.
Article in BMC infectious diseases, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Chandipura virus encephalitis: an emerging pediatric neurotropic threat in india-virology, epidemiology, pathogenesis, and public health challenges.Journal of neurovirology · 2026Review
- Gastrointestinal infection caused by five different strains of Aeromonas caviae and one of Aeromonas veronii: case report and review of the literature.BMC infectious diseases · 2026Review
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16 authors.
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Abstract
backgroundAeromonas bacteria are emerging human enteropathogens that cause food poisoning, with an incubation period of 12 h-7 days, typically 24-48 h. On February 15, 2024, Ministry of Health was notified of a suspected food poisoning incident in Buyengo Town Council, Jinja District, where 72 people developed gastrointestinal symptoms after a funeral. We investigated to identify the cause, magnitude and risk factors for the outbreak, to inform control and prevention measures.
methodsWe defined a suspected case as onset of abdominal pain and ≥ 1 of the following symptoms: diarrhea, vomiting or nausea in any person who attended the funeral of a religious leader in Buyengo TC in Jinja District during Feb 11-22, 2024. We identified cases through health facility records and community searches. We collected data using interviewer-administered questionnaires. We conducted descriptive epidemiology and environmental assessments to generate hypotheses. We conducted an unmatched case-control study among funeral attendees, and microbiology and toxicology laboratory tests on 20 case-patients and 14 environmental samples.
resultsWe identified 65 case-patients; 5% died. Common symptoms included abdominal pain (100%), diarrhea (94%), vomiting (51%) and fever (34%). All (100%) case-patients ate at least one meal at the funeral. The epidemic curve revealed multiple peaks corresponding to the different serving times at supper and breakfast. Most cases presented within 12-86 h from Monday supper time; median incubation period was 34 h (range = 12-211 h). For both meals, beef soup served was topped-up with unboiled water and inadequately re-cooked. 62% of the cases compared to 38% of the controls ate beef stew at supper (OR = 2.7; 95%CI = 1.2-6.2). Additionally, 97% of the cases compared to 40% of the controls ate leftover beef stew for Tuesday breakfast (OR = 57; 95%CI = 5.4-600). The main source of water used at the funeral was 'Kabakubya' stream. Aeromonas hydrophilia and Aeromonas caviae were isolated in the gastric aspirate from one of the case-patients, and water from the stream.
conclusionThis was a point source food poisoning outbreak caused by Aeromonas species at a funeral. The Aeromonas was traced to the nearby stream. Stopping use of water from the stream and enhanced water, sanitation and hygiene interventions helped control the outbreak.
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