Praziquantenal, a safe drug developed in the 1970s to treat Schistosomes is available.
Why are so many people still infected?
a) Almost all schistosomes are now resistant to praziquantenal.
b) The drug only treats a current infection and re-infection is very common.
c) Praziquantenal is $10,000 a treatment, far outside of the budget of most individuals