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ISSN 0185-6014 (Print)
Órgano oficial de difusión de la Federación Mexicana de Patología Clínica, AC y de la Asociación Latinoamericana de Patología Clínica/Medicina de Laboratorio

2000, Number 1

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Rev Mex Patol Clin Med Lab 2000; 47 (1)

Immunoepidemiology of ascariasis on scholar children from Mexico City

Martínez-Barbabosa I, Gutiérrez QM, Fernández PAM, Vázquez TO, Pérez LMJ, García YY

Language: Spanish
References: 29
Page: 20-25
PDF size: 289.50 Kb.


ABSTRACT

The objective of this work is to determine through indirect hemagglutination (IHA) the prevalence of serum antibodies against an antigen of (L3-L4) larva of Ascaris lumbricoides suum on the children of Mexico City. There were studied 455 sera from children within a range of 6 to 12 years old from a primary school located on the Coyoacan District, Mexico City. There were 6 groups to study with, one for each grade. From the 455 serums analysed through IHA, 4.6% (21) appeared serum-positive. The highest frequency appeared on the 6th grade children with a 33.3% of the 21 serum-positive the children of the 1st grade showed less frequency 23.8%. On the 3rd and 5th grades the frequency for both was 14.9%, for the 2nd grade the frequency was 9.5% and the 4th grade was 4.8%. The 4.6% of the antigen serum-positive A. lumbricoides suum reported in this investigation was considered high for a children population at the Coyoacan District, where the urban characteristics are not favorable for the transmission of helmintiasis coming from the ground. However, the deplorable socioeconomic conditions and promiscuity in this population are enough factors to consider for the transmission of the ascariasis in this zone of Mexico City.


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