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  1. Oct 16, 2023 · West Nile encephalitis and meningitis. Symptoms of more serious West Nile infections include: Intense, very painful headache. High fever (above 103 degrees Fahrenheit or 39.5 degrees Celsius). Stiff neck. You might not be able to move your chin toward your chest. Confusion. Muscle weakness. Muscle movements you can’t control (tremors or ...

  2. Jul 3, 2023 · Symptoms. Most people infected with the West Nile virus do not experience any symptoms though some may develop a fever, headache, body aches, joint pains, vomiting and rash. While most people fully recover, some may experience ongoing weakness and fatigue for months. Severe symptoms from West Nile virus are uncommon though people over 60 face a ...

  3. Feb 21, 2024 · Dengue is caused by a flavivirus, while West Nile virus is a member of the Flaviviridae family. This difference in family classification can have implications for the development of vaccines and treatments. Vector species: The primary vector for dengue is the Aedes mosquito, particularly Aedes aegypti.

  4. May 15, 2024 · West Nile virus can result in febrile illness or neurologic disease, including meningitis or encephalitis. If you think you or a family member might have West Nile virus disease (West Nile), talk with your health care provider. There is no specific treatment for West Nile. Rest, fluids, and pain medications may relieve symptoms.

  5. Mar 25, 2022 · West Nile virus, dengue virus, and SARS-CoV-2. In 2020, Miami-Dade County experienced a trifecta of viral outbreaks. In addition to the transmission of SARS-CoV-2, 86 people were also locally infected with West Nile virus and 71 with dengue virus. Dengue virus and West Nile virus are both arboviruses that are transmitted to humans by mosquitoes ...

  6. May 31, 2011 · Most people with dengue have mild or no symptoms and will get better in 1–2 weeks. Rarely, dengue can be severe and lead to death. If symptoms occur, they usually begin 4–10 days after infection and last for 2–7 days. Symptoms may include: high fever (40°C/104°F) severe headache. pain behind the eyes.

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  8. The West Nile virus can infect humans, birds, mosquitoes, horses, and some other mammals. In very rare cases, the virus can spread in transfused blood, a transplanted organ, or through the placenta to a fetus. West Nile virus infections occur in mid- to late summer and early fall in mild zones. It can also occur year-round in southern climates.