Diarrhoeal disease in early childhood: experiences from Sierra Leone

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Abstract
SUMMARY: In the Freetown area of Sierra Leone, the proportion of children under five years of age dying from diarrhoea-associated conditions has decreased since the 1970s from 4% to 3%. This reduction relates to children between 12 months and 5 years; deaths associated with diarrhoeal disease in infancy do not appear to have decreased significantly. Currently, 2% of children die in infancy and a further 1% before their fifth birthday from diarrhoeal diseases. Thirty-one percent of short-term growth-faltering in children under five years of age is attributed to diarrhoeal disease. Reasons for improvement in mortality may include the implementation of a National Diarrhoeal Diseases Control Programme and improved case management; some 55% of cases of acute diarrhoea in Freetown now receive oral rehydration therapy. Morbidity and mortality are influenced by the seasons. This is likely to be related to the fact that the nutritional status of children shows a significant deterioration in the early rainy season. At this time incidence of severe diarrhoea warranting hospital admission and diarrhoea mortality rates in hospital and at a Rehydration Center increased significantly. On the other hand, the presentation of dehydrating diarrhoea is greatest in the driest months of the year. Progress in the rural areas of Sierra Leone may not have been so evident although 60% of the population now have access to primary health units within 4 miles and efforts to increase host resistance have included the measles immunization programme which currently protects 60% of under-fives nation-wide. Efforts to reduce the transmission of pathogens have meant increasing access to safe water to 22% and to improved sanitation to 35% in rural areas of Sierra Leone. The sustainable prevention and control of diarrhoeal diseases in developing countries depends also upon increasing levels of adult literacy especially of women.