Malaria is the leading killer in Central African Republic - aid group
MSF says it has seen jump in cases in Central African Republic
A medical staff attends to a malnourished child at a MSF hospital in an IDP camp inside the U.N. base in Malakal
A medical staff attends to a malnourished child at a Medecins Sans Frontieres (MSF) hospital in an internally displaced persons (IDP) camp inside the U.N. base in Malakal, July 24, 2014. According to UNMISS, the U.N. base is hosting about 17,000 people who were displaced by the armed conflict in the region. REUTERS/Andreea Campeanu (SOUTH SUDAN - Tags: POLITICS CIVIL UNREST SOCIETY POVERTY)
Girls play in an IDP camp inside the U.N. base in Malakal
Girls play in an internally displaced persons (IDP) camp inside the U.N. base in Malakal, July 24, 2014. According to UNMISS, the U.N. base is hosting about 17,000 people who were displaced by the armed conflict in the region. REUTERS/Andreea Campeanu (SOUTH SUDAN - Tags: POLITICS CIVIL UNREST SOCIETY POVERTY)
A man, suffering from diarrhoea, rests on a bed in Malakal Teaching Hospital in Malaka
A man, suffering from diarrhoea, rests on a bed in Malakal Teaching Hospital in Malaka, July 24, 2014. The hospital, which only reopened around 10 days ago, was closed early this year after armed groups shot dead 11 patients in their beds in February. REUTERS/Andreea Campeanu (SOUTH SUDAN - Tags: POLITICS CIVIL UNREST SOCIETY POVERTY HEALTH)
Children run in an IDP camp inside the U.N. base in Malakal
Children run in an internally displaced persons (IDP) camp inside the U.N. base in Malakal, July 24, 2014. According to UNMISS, the U.N. base is hosting about 17,000 people who were displaced by the armed conflict in the region. REUTERS/Andreea Campeanu (SOUTH SUDAN - Tags: POLITICS CIVIL UNREST SOCIETY POVERTY)
Children are prepared to be weighed in an IMC nutrition centre in an IDP camp inside the U.N. base in Malakal
Children are prepared to be weighed in an International Medical Corps (IMC) nutrition centre in an internally displaced persons (IDP) camp inside the U.N. base in Malakal, July 24, 2014. According to UNMISS, the U.N. base is hosting about 17,000 people who were displaced by the armed conflict in the region. REUTERS/Andreea Campeanu (SOUTH SUDAN - Tags: SOCIETY POVERTY POLITICS CIVIL UNREST)
A boy carries a girl as they walk through the mud in an IDP camp inside the U.N. base in Malakal
A boy carries a girl as they walk through the mud in an internally displaced persons (IDP) camp inside the U.N. base in Malakal, July 24, 2014. According to UNMISS, the U.N. base is hosting about 17,000 people who were displaced by the armed conflict in the region. REUTERS/Andreea Campeanu (SOUTH SUDAN - Tags: POLITICS CIVIL UNREST SOCIETY POVERTY)
A malnourished girl holds onto a doll in the MSF hospital in the IDPs camp inside the UN base in Malakal
A malnourished girl holds onto a doll at a Medecins Sans Frontieres (MSF) hospital in an internally displaced persons (IDP) camp inside the U.N. base in Malakal, July 24, 2014. According to UNMISS, the U.N. base is hosting about 17,000 people who were displaced by the armed conflict in the region. REUTERS/Andreea Campeanu (SOUTH SUDAN - Tags: POLITICS CIVIL UNREST SOCIETY POVERTY)
A malnourished two-month-old child lies on the bed next to his mother at a MSF hospital in an IDP camp inside the U.N. base in Malakal,
A malnourished two-month-old child lies on the bed next to his mother at a Medecins Sans Frontieres (MSF) hospital in an internally displaced persons (IDP) camp inside the U.N. base in Malakal, July 24, 2014. According to UNMISS, the U.N. base is hosting about 17,000 people who were displaced by the armed conflict in the region. REUTERS/Andreea Campeanu (SOUTH SUDAN - Tags: POLITICS CIVIL UNREST SOCIETY POVERTY)