India, July 12 -- A US citizen working for a humanitarian organisation in Congo has tested positive for the Ebola virus, the US Centers for Disease Control and Prevention said on Friday, as the Central African country struggles to contain the swelling outbreak.

The CDC said it was working with the person's employer, US agencies, the public health authorities and Congolese partners to prevent further transmission and identify close contacts. It did not provide any further details. Earlier this week, the Africa Centres for Disease Control and Prevention said that the outbreak is the fastest-growing Ebola outbreak ever recorded on the continent, with 1,830 confirmed cases in Congo, including 648 deaths. Cases have also been confirmed in nei...