Case report: Rift Valley Fever with vertical transmission in a pregnant Sudanese woman.

Rift Valley Fever (RVF) is a viral disease transmitted to humans by mosquito bite and contact with animals or their infected tissues. A 29-year old primigravidae presented in early labour with symptoms suggestive of RVF. She delivered baby of 3.2 kg with skin rash, palpable liver and spleen. The two samples from the mother and neonate were found to be positive for RVF-IgM. This report demonstrate that, RVF can be vertically transmitted.