Draining of swamps was happening in the region, whether there was Jews there or not. I think it had more to do with science than religion.
AI Overview Egypt began implementing malaria control measures, including draining swamps, in the 1920s. These efforts, along with other strategies like controlling rice cultivation near homes, were a significant step in tackling the disease. By the 1950s and 60s, Egypt continued to utilize vector surveillance, larval control, and DDT to further control malaria. While draining swamps was a key component, the control program also involved other environmental management strategies
