How to attract a blackfly – researching blackflies’ aroma preferences.
(Photo: electron micrograph of a blackfly with Onchocerca parasite, credit:USDA) The idea of sitting in a field and letting blackflies potentially carrying an unpleasant disease bite you sounds like a job best avoided, yet this is the way in which populations of blackflies carrying the river blindness parasite Onchocerca are monitored in Sub-Saharan Africa. Research…
Nodding syndrome raises its head
In a previous blog, Mystery disease outbreak in Ethiopia solved, I mentioned in passing Nodding Syndrome (NS), a neglected condition that is epidemiologically associated with onchocerciasis and affects children 5-15 years old. The syndrome causes epileptic seizures where the afflicted suffer from involuntary head nodding, usually triggered by food or cold. They end up severely…