GENEVA, Aug 31 (Reuters) – Some 6,000 people in Angola and Democratic Republic of Congo may be infected with yellow fever, six times the number of confirmed cases, but no new infections have been found since July 12, an “extremely positive” trend, the World Health Organization said on Wednesday.

Source: http://feeds.reuters.com/~r/reuters/AfricaNigeriaNews/~3/wOHPPkmHobk/idAFL8N1BC5VP