Umbhalo Waphansi
a Izimpawu ziyahlukahluka, futhi ezinye zazo akuzona eze-Chagas kuphela. Ngakho-ke, lapha simane nje sikha phezulu, asiqondile ukuba usebenzise lezi zimpawu ukuze uhlole ngazo. Abantu abaningi ababi nazimpawu neze kuze kube yilapho lesi sifo singaselapheki.