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PubMedDate not supplied

Vesical schistosomiasis at Odau village in Ahoada Local Government Area, Rivers State, Nigeria.

Studies on Urinary schistosomiasis and its snail vector was undertaken between October 1991 and September 1992 in Odau. Of the 890 urine specimens examined 514 (57.8%) were infected. 235 (45.7%) were excreting under 100 eggs per 10ml urine, 167 (32.5%) were excreting between 100-500 eggs per 10ml urine while 112 (21.7%) were excreting more than 500 eggs in 10ml of urine. Of the 514 infected persons 336 (60.5%) were males and 178 (53.1%) were females. Overall peak infection (78.7%) occurred in 10-14 years group. Male infection peaked (83.7%) in the 15-19 age bracket while peak infection in the females (73.1%) was in 10-14 years age group. Two snail vectors, Bulinus globosus and Bulinus forskalii, were collected from the study area. Bulinus forskalii was not infected with cercarise of schistosome throughout the study period. B globosus was found infected with furcereus cercariae believed to be human schistosomes. Population trend of Bulinus globosus was closely studied and observed to be related to infection with schistosome cercaria. Two broad transmission foci were located. One was in the village ponds where more children were infected. The other was in the pits, ditches and swamps in the plantations where the adults were infected. Control of schistosome infection through chemotherapy will best be achieved by January because immediate reinfection of parasites is not possible owing to the drying out of the ponds in January and February. And control of the snail vectors will be best in March and April because a large proportion of snail population is young and highly vulnerable to molluscicide attacks.

Adolescent↗
PubMedDate not supplied

Impact of guineaworm disease on agricultural productivity in Owo local government area, Ondo state.

Of the 500 Cocoa farmers infected with guineaworm in Amurin, 74.3% of the farmers were incapacitated for 3 months without going to their farms while 25.7% mostly those who sought the orthodox form of treatment were incapacitated for about 4 weeks. This resulted in the loss of 9,566 bags of the potential harvest of the farmers which translates to N2,442,000.00 for the period. The sustantial part of this loss was from cocoa (N1, 570,000.00), a major export crop in Nigeria. The losses experienced were as a result of inability to plant and supervise the farm. An average of 45,000 mandays were lost due to guineaworm infection at a value of N54.27 k per individual for incapacitation for a day and a farmer infected with guineaworm loses 19 bags of his potential harvest within the infection duration, which translates to N4,884.00. Guineaworm disease is a major preventable cause of agricultural work loss and significant impediment to agriculture, the dominant occupation in Nigeria, which implies that guineaworm disease poses large threat to food availability.

Absenteeism↗