ABSTRACT
A National Serum Bank was established to store sera obtained during the National Seroepidemiological Survey performed in Mexico in 1987. More than 70,000 serum samples were obtained from subjects of either sex 1-99 years of age in each of the 32 states of the country. The current collection of sera includes 28,704 male samples and 40,629 female samples. This paper describes the procedures for handling serum samples, including reception registry, storage and distribution to several laboratories for detection of measles, rubella, poliomyelitis, AIDS, diphtheria, pertussis, tetanus, brucella, salmonella, amoeba, toxoplasma, American trypanosomiasis and cysticercus. Determinations of total cholesterol were also made in order to describe its distribution and to identify the prevalence of hypercholesterolemia.
Subject(s)
Serology/organization & administration , Academies and Institutes/organization & administration , Adolescent , Adult , Aged , Aged, 80 and over , Blood Preservation/methods , Blood Specimen Collection , Child , Child, Preschool , Epidemiology/organization & administration , Female , Forms and Records Control , Government Agencies/organization & administration , Humans , Infant , Male , Mexico/epidemiology , Middle Aged , Morbidity , Seroepidemiologic StudiesSubject(s)
Menstruation , Platelet Count , Adolescent , Adult , Age Factors , Child , Female , Humans , Male , Sex Factors , Time FactorsABSTRACT
Se practicaron cuentas sucesivas de plaquetas en 14 ninos, diez varones y dose mujeres sanos y en buenas condiciones de nutricion, durante cuatro semanas consecutivas. Los promedios encontrados en los tres grupos son semejantes entre si. La sucesion de las cuentas es significativamente diferente en las mujeres, por acumulo de cifras inferioes a dos desviaciones estandar debajo del promidio durante los cuatro primeros dias del menstrual y los dos dias precedentes