More than 2,000 Ebola cases, including 754 deaths, have been recorded in the DR Congo, where the World Health Organization warns the outbreak may be two to four times larger than official figures suggest.

The outbreak has caused at least 1,830 confirmed cases in Congo, including 648 deaths, health officials said. Cases have also been confirmed in neighboring Uganda.

The World Health Organization has warned that the Ebola outbreak in the Democratic Republic of the Congo is likely much larger than official figures, with modelling suggesting the…