The handling of dead monkeys may be the source of the outbreak , the WHO suspects , according to Angop . Democratic Republic of Congo has reported intermittent cases of ebola since 1976 . The virus is transmitted by the Aedes aegypti mosquito, which can spread diseases such as dengue and yellow fever in humans, according to the World Health Organization. As a result of the outbreak , neighboring Angola has closed its northeastern border .
Democratic Republic of Congo has reported intermittent cases of ebola since 1976 . The virus is transmitted by the Aedes aegypti mosquito, which can spread diseases such as dengue and yellow fever in humans, according to the World Health Organization. As a result of the outbreak , neighboring Angola has closed its northeastern border .