Abstract: For 3 yr, populations of

Abstract: A design velocity was determined to prevent disease-bearing snails from inhabiting irrigation canals. In tropical irrigation systems many people in the argicultural community are infected with a parasitic disease spread ...

Abstract: Improvement of domestic water supplies is a major component of the comprehensive strategy for control of water‐associated diseases in the Blue Nile Health Project of central Sudan. The value of safe water supply was confirmed ...