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Table 3 Research questions to address knowledge gaps in VL transmission to optimise control strategies and ensure sustained elimination

From: Understanding the transmission dynamics of Leishmania donovani to provide robust evidence for interventions to eliminate visceral leishmaniasis in Bihar, India

• What are the spatial and temporal patterns of VL transmission, and how spatially heterogeneous are they?  
• Are VL cases a good indicator for infection prevalence?  
• How big is the pool of asymptomatics and how much do they contribute to transmission?  
• What is the optimal response strategy to new cases, e.g. in what radius around new cases should vector control be performed and for how long?  
• What is the right surveillance strategy to ensure sustained elimination? What markers should be used and which age groups should be tested?