The Democratic Republic of Congo has tested and isolated about 200 passengers from a river boat intercepted in Kinshasa after a traveller died of suspected Ebola. Africa CDC says the move is aimed at containing the outbreak as authorities weigh broader vaccination efforts. Africa CDC Director-General Jean Kaseya said on Thursday that all passengers aboard the intercepted boat were tested, including those without symptoms, to ensure no infections were missed. The boat was intercepted after carrying a man who later died of suspected Ebola, raising concerns about potential transmission along the Congo River route. According to Africa CDC, preliminary data suggest that people previously vaccinated against the Zaire strain may still contract Bundibugyo Ebola, but experience only mild illness.