Prevalence, characteristics and correlates of enteric pathogenic protozoa in drinking water sources in Molyko and Bomaka, Cameroon: a cross-sectional studyReportar como inadecuado




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BMC Microbiology

, 16:268

Microbe-host interactions and microbial pathogenicity

Abstract

BackgroundAccess to potable water remains a major challenge particularly in resource-limited settings. Although the potential contaminants of water are varied, enteric pathogenic protozoa are known to cause waterborne diseases greatly. This study aimed at investigating the prevalence, characteristics and correlates of enteric pathogenic protozoa in drinking water sources in Buea, Cameroon.

MethodsA cross-sectional study was conducted using 155 water samples collected from various drinking sources boreholes, springs, taps and wells. Each sample was subjected to physicochemical examinations pH, turbidity, odour and sliminess and parasitological analysis wet mount, modified Ziehl-Neelsen stain to determine the presence of enteric pathogenic protozoa. A data collection tool was used to note characteristics of collected samples and the data was analysed using EPI-INFO Version 3.5.3.

ResultsThe overall prevalence of enteric pathogenic protozoa in water sources was 62.6 %. Eight species of enteric protozoa were observed with Cryptosporidium parvum being the most predominant 45.8 %. Spring water was the most contaminated source with enteric protozoa 85.7 % while pipe borne water had all eight species of protozoa identified. A pH of 6 was the only significant factor associated with the prevalence of these pathogens in water sources.

ConclusionThe prevalence of enteric protozoa in water sources in Molyko and Bomaka is high, spring water is the most contaminated water source and Cryptosporidium parvum is the most common protozoa contaminating water. A water pH of 6 is associated to the prevalence of protozoa. Community members need to be educated to treat water before drinking to avoid infection by enteric protozoa in water and further studies with larger samples of water need to be conducted to find other correlates of the presence of protozoa in water.

KeywordsEnteric pathogenic protozoa Drinking water Prevalence Buea Cameroon AbbreviationsaORAdjusted odds ratio

CAMWATERCameroon Water Utilities Corporation

CIConfidence interval

mlMillilitre

NFrequency

OROdds ratio

RefReference variable

rpmRotations per minute

SDStandard deviation

sppSpecies

UNESCOUnited Nations Educational, Scientific and Cultural Organisation

USAUnited States of America

WHOWorld Health Organisation

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Autor: Fuh Anold Nsoh - Buh Amos Wung - Julius Atashili - Pokam Thumamo Benjamin - Eba Marvlyn - Keumami Katte Ivo - Assob Jul

Fuente: https://link.springer.com/







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