Background: Intestinal
parasites are among the most common pathogens found in humans. Helminths and
protozoa which colonize the intestine constitute an important public health
problem in the world. Considering that more than half of the world population
is infected by enteroparasites, with high prevalence among the poorest, this
research aimed to investigate parasitological indicators among children under
fifteen years of age in the rural community of Saurimo, Angola. The research
had an individualized, observational and
cross-sectional design, in the year of 2012. Material and methods: 721 stool
samples were examined and preserved in Merthiolate-iodine-formaldehyde
solution (MIF). Laboratory tests were performed by coproscopic method. Results: 308 helminth, eggs or protozoan cysts were found,
corresponding to the prevalence coefficient (PC) of 42.7%. Among them, 229 were
positive for helminths (PC = 31.8%) and 118 for protozoa (PC = 16.4%).
Monospecific parasitism was identified in 241 (PC = 33.4%) and polyparasitism
in 67 (PC = 9.3%). Ascaris lumbricoides was the most frequent species with 158 cases, with dominance coefficient (DC)
of 51.3%. Among protozoal infections, the most common species was Entamoeba coli, in 101 cases (DC =
32.8%), whereas parasitism by Entamoeba
histolytica/dispar was found in
16 cases (DC = 5.2%). The age group between two and five years old was the
class with the highest incidence, with 144 cases, dominance coefficient (DC) of
46.8%. Cases of simultaneous parasitism by two or more species occurred in 62
samples (PC = 8.6%, DC = 20.1%), and simultaneity by three species occurred in
five cases (PC = 0.7%, DC = 1.6%). The results were the basis for proper
counselling and intervention. Conclusions: The study revealed the need for
orientation of government measures and educational partners to improve the
living conditions of the community of Saurimo, Angola.
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