Rift Valley Fever Zoonotic Disease: All You Need to Know
Summary
These include heavy rainfall periods that lead to increased mosquito populations acting as vectors for transmitting the virus from infected animals to susceptible hosts like cattle, sheep, goats, camels, buffalo, and antelope species, as well as rodents like rats and mice. Understanding the biology of RVF is crucial for implementing effective prevention measures, outbreak investigation, and control strategies to protect both animal health and human lives on the African continent. Common symptoms include: • Vomiting and diarrhea (in some cases) About 8-10% of infected individuals may experience more severe complications such as: • Hemorrhagic fever: Bleeding disorders including nosebleeds, vomiting blood, or bleeding from other body sites • Encephalitis: Swelling and inflammation of the brain causing confusion, seizures, or coma • Retinitis: Inflammation in the retina leading to vision loss or blindness The impact of RVF on animal health varies among species; however, young lambs and goats are particularly susceptible, while pregnant sheep almost always abort if they contract the infection during the gestation period. Reverse transcription polymerase chain reaction (RT-PCR) is a highly sensitive molecular technique used to detect the presence of RVF virus RNA in blood samples or tissue specimens. These include using insect repellent containing DEET or picaridin on exposed skin surfaces; wearing long-sleeved shirts and pants; sleeping under a bed net treated with permethrin; and eliminating standing water around their homes where mosquitoes can breed.
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