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  • Title: [The seroepidemiology of rubella in Mexican women. A national probability survey].
    Author: Gutíerrez Trujillo G, Muñoz O, Tapia Conyer R, Bustamante Calvillo ME, Alvarez y Muñoz MT, Guiscafré Gallardo JP, Magos C, Sepúlveda J.
    Journal: Salud Publica Mex; 1990; 32(6):623-31. PubMed ID: 2089638.
    Abstract:
    A rubella seroepidemiologic survey was carried out in a rural population to better understand the epidemiology of this infections disease in Mexico. 24,331 serum samples from women between 10 and 44 years old were collected during 1987-1988 from the 32 federal states. Samples were tested for Rubella Antibodies by use of hemagglutination inhibition with a titer 1:8 bring considered as positive; 79.96 per cent (CI 95%, 7.5-80.5%) of women were seropositive, seropositivity increased with age, from 69.26 per cent in the age group of 10 to 14 years old, to 87.84 per cent in the 40-44 age group. Seropositivity rates were lower in southern states than in northern states and, higher in urban areas that rural areas (82.4 vs 76.6%); statistical significative difference in seropositivity rates were found between girls less than 14 years of age in urban areas as compared to rural areas (74.7 vs 63.6%). Seropositivity rates were related to socioeconomic status only when high status group were compared lower status group (82.5 vs 77%). In addition, we observed a significative trend of increasing seropositivity as level of school education increased. In comparison to the 1974 national survey, this seroepidemiological survey showed a decreased seropositivity for all age groups, even with an increase in the number of susceptible women, particularly in the group less than 20 years old. This study offers seroepidemiologic information about rubella at a national and regional level.
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