Review Article

Survey and Diagnostic Challenges after Transmission-Stop: Confirming Elimination of Schistosomiasis haematobium in Morocco

Table 1

Considered diagnostic tests for Schistosomiasis haematobium in the Moroccan survey.

DiagnosticTestFieldCost/test (USD)EvaluationSensitivity/specificityNoteRef

Clinical testHem test1+0, 3Iraq, Ghana, Sudan, Tanzania, Nigeria, Sub Saharan Africa79%/98%Morbidity test[26]

Antibodies detectionHAMA EITB2_>5Morocco USA95%/100%High cost and not field-friendly[12, 23]
EITB/WB 23kDa3_8, 8Egypt and Morocco50/91%High cost and not field-friendly[23, 24]
ELISA-SEA4 (soluble eggs antigen)+8, 8Ghana98.5%/83%/93%High cost[23, 25]
Need laboratory
HAI5(whole adult worm antigen)+2.5Germany, Chile and Netherlands92%/94.7%Acceptable[25ā€“26]
DDIA6+1China--Need evaluation in haematobium low endemic areas[28]
RDT SmCTF7+<3Ivory Coast66.7%/34.4%Not acceptable[29]

Antigen detectionFiltration_<3Africa, Iran, IraqNeed laboratory[30]
RDT filtration+<3USA, Kenya79%/95%Field friendly and cost effectiveness, but not hygienic in large number of samples[31]
POC CCA8+3Cameroun, Ivory Coast Ethiopia, Kenya, Uganda36%/78%Not sensitive in haematobium low endemic areas[32, 33]
Zanzibar99%[30]
PCR9_8Brazil100%High cost[20, 33]

1. Urine hemedipstick, 2. Heamatobium microsomal antigen enzyme Immunotransfert Blot, 3. 23 kDa Western blot, 4. Soluble eggs antigen enzyme linkedimmunosorbent assay, 5. Hemmaglutination indirect, 6. Dipstick dye immunoassay, 7. Schistosoma mansoni cercarial transformation fluid, 8. Point of care/circulating cathodic Antigen, 9. Polymerase chain reaction.