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PubMed1981

Food, sanitation, and the socioeconomic determinants of child growth in Colombia.

To describe the causes of growth failure in a developing country, we studied family food availability, anthropometric measurements of preschool children, and family and neighborhood socioeconomic conditions in a stratified random sample of Cali, Colombia families. The influences on preschool child growth of food availability, neighborhood socioeconomic conditions, and family socioeconomic conditions were separated statistically. Neither food availability nor other family factors were related directly to growth, but neighborhood factors did have a strong relationship to growth. Children decreased progressively from 97.5 percent of expected weight in the top one-sixth of neighborhoods we studied to 89 per cent in the botton one-sixth. Food availability, although not related to growth, was strongly related to family factors. The top one-sixth of families had 115 percent of FAO (Food and Agricultural Organization) protein allowances, while the bottom one-sixth had only 75 per cent. These finding are inconsistent with food availability or family factors being the prinicipal causes of growth retardation. They are consistent with neighborhood determined factors, possibly enteric infections, being the principal cause of growth retardation in preschool children in Cali.

Body Height↗
PubMed1999

Considerations regarding mass vaccination against typhoid fever as an adjunct to sanitation and public health measures: potential use in an epidemic in Tajikistan.

We report on the ongoing epidemic of typhoid fever in Tajikistan that started in 1996. It has involved more than 24,000 cases to date, and is characterized by multiple point sources, overflow of sewage, contaminated municipal water, and person-to-person spread. Of the Salmonella typhi isolates available for testing in western laboratories, more than 90% are multidrug-resistant (MDR). Most recently, 28 (82%) of 34 isolates are resistant to ciprofloxacin, representing the first reported epidemic of quinolone-resistant typhoid fever. In the past, mass immunization during typhoid fever epidemics has been discouraged. A review of this policy is recommended in light of the alarming emergence of quinolone-resistant strains of S. typhi, the availability of improved vaccines, and the ongoing epidemic in Tajikistan. Mass immunization may be a useful measure for the control of prolonged MDR typhoid fever epidemics, as an adjunct to correction of municipal infrastructure and public health intervention.

Anti-Infective Agents↗