ABSTRACT Trypanosoma brucei gambiense is the primary causative agent of human African trypanosomiasis (HAT). a vector-borne disease endemic to West and Central Africa. The extracellular parasite evades antibody recognition within the host bloodstream by altering its variant surface glycoprotein (VSG) coat through a process of antigenic variation. The serological tests that are widely ... https://countryscenesaddleryandpetsuppliers.shop/product-category/safety-helmets/