INTRODUCTION• Human schistosomiasis: a water-borne, parasiticdisease second only to malaria in terms of publichealth importance in the tropics/subtropics.• Over 200 million people infected worldwide.Approximately 90% of these live in sub-SaharanAfrica (Hotez & Kamath, 2009).• Urinary schistosomiasis: caused by Schistosomahaematobium, the most widespread (Van derWerf et al., 2003; Steinmann et al., 2006);transmitted by fresh water snail species of thegenus Bulinus.• Nigeria:country ...
Schistosomiasis is a water-borne parasitic
disease caused by schistosomes and transmitted by fully aquatic or amphibious
freshwater snails in whose bodies the human-infective larvae, cercariae,
develop. Adult schistosome worms colonise
human blood vessels for years, successfully evading the immune system while
excreting hundreds to thousands of eggs daily, which must either leave the body
in excreta and/or urine or become trapped in nearby tissues. Trapped eggs