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Rift Valley fever (RVF) is a viral disease of humans and livestock that can cause mild to severe symptoms. The mild symptoms may include: fever , muscle pains , and headaches which often last for up to a week.
Rift Valley fever (RVF) outbreaks affecting humans and livestock occur across sub-Saharan Africa, with outbreaks occurring elsewhere infrequently.Outbreaks usually correspond with the El Niño, associated with increased rainfall and flooding, causing increases in the mosquito population, which act as vector for the virus. [1]
Rift Valley fever virus Rift Valley fever: 2–6 days Fever, headache, myalgia and liver abnormalities 4–7 days Hemorrhagic fever, meningoencephalitis 1% in humans; in pregnant livestock, 100% fatality rate for fetuses Culex tritaeniorhynchus and Aedes vexans: Micropteropus pusillus and Hipposideros abae: Eastern, Southern, and Western Africa Yes
Dogs that have been exposed can take up to seven days to exhibit symptoms, including: lethargy. fever. vomiting. diarrhea. enlarged lymph nodes. Many dogs infected with the disease will need ...
Reversible ischemic neurologic deficit: RLF Retrolental fibroplasia: RLS Restless legs syndrome: RMDs Repetitive motion disorders: ROP Retinopathy of prematurity: RS Reye's syndrome: RSD Reflex sympathetic dystrophy: RTI Respiratory tract infection: RVF Rift Valley fever
They are most common in endemic areas during the summer months, particularly August, which is when sandflies are active. Some more extreme cases are the Toscana virus, which is associated with meningitis in humans, and the Rift Valley fever virus which has caused wide-spread epidemics in livestock in Africa. [7]
Phenuiviridae is a family of negative-strand RNA viruses in the order Bunyavirales. [1] Ruminants, camels, humans, and mosquitoes serve as natural hosts.Until 2011, member genus Phlebovirus was the only genus of the family with viruses causing disease in humans (e.g. Rift Valley fever virus) [2] [scientific citation needed] except Dabie bandavirus.
Rift Valley fever (RVF) is caused by a phlebovirus in the Bunyavirales order which is transmitted by mosquito bite and contact with infected animal blood; [3] it mainly infects livestock that come into infectious contact with a viral reservoir but human beings can also be infected. [4]