It was reintroduced in 2011, and eradication efforts are currently underway. Over the past 10 years, there has been scale-up of treatment campaigns in a number of sub-Saharan countries, where most of those at risk live. Giant African snail eggs are about 5 mm across and are laid in huge masses. Urogenital schistosomiasis is also considered to be a risk factor for HIV infection, especially in women. Lack of hygiene and certain play habits of school-aged children such as swimming or fishing in infested water make them especially vulnerable to infection. Children with S. haematobium almost always have microscopic blood in their urine which can be detected by chemical reagent strips. Schistosomiasis, or bilharzia, is a disease that is caused by parasitic worms. The Giant African Snail (Lissachatina fulica or Drinking water can come from rivers, lakes and reservoirs and should be boiled for at least 1 minute to kill any parasites. Adults considered to be at risk in endemic areas, and people with occupations involving contact with infested water, such as fishermen, farmers, irrigation workers, and women whose domestic tasks bring them in contact with infested water. However, a major limitation to schistosomiasis control has been the limited availability of praziquantel. Before sharing sensitive information online, make sure you’re on a .gov or .mil site by inspecting your browser’s address (or “location”) bar. Pest and Diseases Image Library, Bugwood.org. The giant African snail is an invasive alien species, which is a host for Anigiostrongylus cantonensis, the rat lungworm, which causes eosinophilic meningitis in human beings. Outbreaks of human angiostrongyliasis have involved a few to hundreds of persons; over 2,800 cases have been reported in the literature from approximately 30 countries. Schistosomiasis is the second most socioeconomically devastating parasitic disease after malaria. Giant African land snails pose a serious health risk to humans by carrying the parasite rat lungworm, known to cause meningitis in humans. Plant Industry. In urinary schistosomiasis, there is progressive damage to the bladder, ureters and kidneys. The golden or channelled apple snail: is a fresh water snail; it has a thin smooth shell; is 3-6 cm in height; shell colour varies from yellow-brown to greenish-brown or dark chestnut.