Publications by authors named "B J Vennervald"

Trematode infections cause long-term suffering and debilitation, posing a significant threat to global animal health and production and leading to considerable economic losses. Studies on the epidemiology and control of these infections in Tanzania are limited. The few available studies have been conducted in abattoir settings.

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Background: Our primary focus was Schistosoma mansoni infection and schoolchildren. Within communities the social environment may promote individual risk of infection for the school-aged children. There will also be demographic groups who are not targeted or reached by preventive chemotherapy campaigns.

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Background: The WHO Neglected Tropical Disease Roadmap for 2021-2030 includes the goal of eliminating schistosomiasis as a public health problem in all endemic countries. Despite heightened efforts since 2012, critical action is still required in addressing barriers to Mass Drug Administration, the primary control method. This includes improvement in adherence by the populations in persistent schistosomiasis hotspots.

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Objective: Female Genital Schistosomiasis (FGS) causes intravaginal lesions and symptoms that could be mistaken for sexually transmitted diseases or cancer. In adults, FGS lesions [grainy sandy patches (GSP), homogenous yellow patches (HYP), abnormal blood vessels and rubbery papules] are refractory to treatment. The effect of treatment has never been explored in young women; it is unclear if gynaecological investigation will be possible in this young age group (16-23 years).

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To provide information to guide considerations of declaring interruption of transmission of human schistosomiasis due to Schistosoma mansoni on St. Lucia, we undertook an island-wide survey in June-July 2022 to determine the presence of Biomphalaria snails, the intermediate hosts of S. mansoni, and their infection status.

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