WashU Medicine May 7 2025 Tens of millions of people in Africa are infected by parasitic worms that cause lymphatic filariasis (also called elephantiasis), a disease that leads to severe swelling and deformities of the limbs and genitals. Despite widespread treatment programs that have successfully reduced the risk of contracting lymphatic filariasis, hundreds of millions of people remain vulnerable to the infection. A small clinical trial in Cote d'Ivoire, led by researchers at Washington