Note clinique sur le traitement pharmacologique de l’autisme

Thivierge, Jacques

doi:10.7202/032438ar

Cited by 1 publication

(1 citation statement)

References 29 publications

(21 reference statements)

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“…Each time, the entire pellet was recovered and placed on slides for direct observation and enumeration of eggs or larvae under an optical microscope (Olympus Model CK2, Hamburg - Germany) (Ajeagah & Fotzeu Kouam 2019). The helminth eggs or larvae were identified using the WHO manual (2019) and the Thivierge workbook (2014). The number of eggs or larvae contained in 1 L of sample was obtained by the following formula, proposed by Ajeagah et al (2014): …”

Section: Collection and Treatment Of Biological Samplesmentioning

confidence: 99%

Influence of tides on the dissemination and related health risks of intestinal helminths along the Kribi beaches (Atlantic Coast, Southern Cameroon)

Nana,

Tchakonté,

Pahane Mbiada

et al. 2024

J. Helminthol.

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Kribi is a seaside town that welcomes thousands of tourists each year. However, the poor sanitation condition of its beaches along the Atlantic coast is not without risk for visitors. In this study, we used the formol-ether concentration technique to identify and quantify larvae or eggs of intestinal helminths in waters of three regularly visited Kribi beaches (Mpalla, Ngoyè, and Mboamanga). Results revealed that all identified larvae and eggs were cestodes (Hymenolepis nana) and nematodes (Strongyloides sp., Ascaris sp., Ancylostoma duodenale and Trichuris trichiura). All the helminth eggs and larvae showed high abundance at low tide during rainy seasons. Ancylostoma duodenale eggs, totally absent at Mpalla, were densely present at low tide at Ngoyè (301 ± 15 eggs/L). Trichuris trichiura eggs showed the lowest abundance (0 to 62 eggs/L) at all sites. Abiotic variables indicated that waters at the various beaches were basic (pH: 8.75–9.77), generally warmer (32.44°C at Mpalla in the Short Rainy Season), more oxygenated at low tide, and moderately mineralized at high tide. Positive and significant correlations were observed at Ngoyè at low tide between Strongyloides sp. larvae and dissolved oxygen (P ˂ 0.05); and between Ancylostoma duodenale eggs and temperature (P ˂ 0.05). The overall results indicated that the beaches studied are subjected to fecal pollution. This pollution is more accentuated during low tides than during high tides. Depending on tidal movements, swimmers risk exposure to helminth eggs and larvae known to be responsible for gastroenteritis.

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