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Epidemic diarrhea — Clinical Guidelines

Overview

Epidemic diarrhea encompasses a range of infectious diarrheal illnesses affecting populations during outbreaks, often caused by viral, bacterial, or parasitic pathogens. It poses significant public health challenges, particularly in under-five children and vulnerable populations 5 6 7.

Diagnosis

Clinical Presentation: Frequent watery stools, dehydration, abdominal pain, fever 5 6.

Laboratory Tests: Stool cultures, PCR for viral pathogens, microscopy for parasites 5 6.

Environmental Assessment: Evaluate faecal contamination levels in water and food sources 6.

Management

Rehydration Therapy: Oral rehydration solutions (ORS) for mild cases; intravenous fluids for severe dehydration 5.

Antimicrobial Therapy: Targeted based on bacterial etiology identified through stool cultures 5.

Probiotics: Consider use to enhance gut microbiota and reduce duration of diarrhea 11.

Nutritional Support: Continue feeding, including lactose if tolerated, to prevent malnutrition 5.

Special Populations

Pediatrics: Focus on ORS and zinc supplementation to reduce mortality and morbidity 5.

Vitamin A Deficiency: Supplementation can reduce incidence of diarrhea in rural children 14.

Key Recommendations

Implement ORS and Zinc Supplementation for under-five children during epidemics to reduce mortality and morbidity (Evidence: Strong 5 14).

Enhance Immunological Awareness through education to improve compliance with health instructions and vaccination during public health emergencies (Evidence: Moderate 2).

Screen and Address Environmental Contamination to mitigate faecal-oral transmission pathways contributing to epidemic diarrhea (Evidence: Moderate 6).

References

1 Li S, Bai X, Wang C. Epitopes screening and vaccine molecular design of PEDV S protein based on immunoinformatics. Scientific reports 2024. link 2 Almansour ZH. Influence of immunological awareness on enhancing the overall complying with health instructions and necessary vaccines during epidemics and pandemics. Human vaccines & immunotherapeutics 2024. link 3 Sira EMJS, Banico EC, Odchimar NMO, Fajardo LE, Fremista FF, Refuerzo HAB et al.. Immunoinformatics approach for designing a multiepitope subunit vaccine against porcine epidemic diarrhea virus genotype IIA spike protein. Open veterinary journal 2024. link 4 . Helen Rees: learning from past mistakes. Bulletin of the World Health Organization 2021. link 5 Braimoh T, Danat I, Abubakar M, Ajeroh O, Stanley M, Wiwa O et al.. Private health care market shaping and changes in inequities in childhood diarrhoea treatment coverage: evidence from the analysis of baseline and endline surveys of an ORS and zinc scale-up program in Nigeria. International journal for equity in health 2021. link 6 Goddard FGB, Pickering AJ, Ercumen A, Brown J, Chang HH, Clasen T. Faecal contamination of the environment and child health: a systematic review and individual participant data meta-analysis. The Lancet. Planetary health 2020. link30195-9) 7 Gali A, Krishna K, Lowry J, Mohammadnezhad M. Environmental factors associated with diarrhoea prevalence among under-five children in the Mataniko settlements in Honiara, Solomon Islands. Rural and remote health 2020. link 8 Grewal J, Buck Louis GM, Hinkle SN, Mumford SL, Lu YL, Nansel TR et al.. Advancing the Health of Populations Across the Life Course: 50 Years of Discoveries in the Division of Intramural Population Health Research. Epidemiology (Cambridge, Mass.) 2019. link 9 Schaus C. The prediction of epidemics through mathematical modeling. Bulletin de la Societe des sciences medicales du Grand-Duche de Luxembourg 2014. link 10 Mishra N, Rajukumar K, Kalaiyarasu S, Behera SP, Nema RK, Dubey SC. Small interfering RNAs targeting viral structural envelope protein genes and the 5ʹ-UTR inhibit replication of bovine viral diarrhea virus in MDBK cells. Acta virologica 2011. link 11 Narayan SS, Jalgaonkar S, Shahani S, Kulkarni VN. Probiotics: current trends in the treatment of diarrhoea. Hong Kong medical journal = Xianggang yi xue za zhi 2010. link 12 Bird S. An unusual case of diarrhoea. Australian family physician 2005. link 13 Cornish TE, van Olphen AL, Cavender JL, Edwards JM, Jaeger PT, Vieyra LL et al.. Comparison of ear notch immunohistochemistry, ear notch antigen-capture ELISA, and buffy coat virus isolation for detection of calves persistently infected with bovine viral diarrhea virus. Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc 2005. link 14 Sircar BK, Ghosh S, Sengupta PG, Gupta DN, Mondal SK, Sur D et al.. Impact of vitamin A supplementation to rural children on morbidity due to diarrhoea. The Indian journal of medical research 2001. link 15 Hansell DT. An unusual case of diarrhoea during enteral nutrition. Scottish medical journal 1986. link 16 Forbes DA, O'Loughlin EV, Scott RB, Gall DG. Laxative abuse and secretory diarrhoea. Archives of disease in childhood 1985. link 17 Faoagali JL. Diarrhoea: a traveller's tale. The New Zealand medical journal 1975. link

Epidemic diarrhea