New Delhi, May 29 -- Aid workers rushed supplies Thursday to the center of Congo's outbreak of a rare type of Ebola virus while beleaguered medical personnel struggled with a lack of equipment, a distrustful population and armed groups in a volatile region.

A white cargo plane with aid donated by the European Union delivered masks, gloves, boots and medications, which all are in short supply, to the northeastern town of Bunia at the heart of the outbreak in Congo's Ituri province. U.N.-branded forklifts lifted several cases into trucks.

Health workers with scant supplies have been struggling to contain an outbreak of the Bundibugyo virus, a kind of Ebola that has no approved treatment or vaccine. In some areas, doctors have resorted to ...