Long-Term Neurological Outcomes in West Nile Virus–Infected …
WEBMay 6, 2015 · The long-term outcomes following WNV infection are still mostly unknown, though neurological abnormalities up to 1 year postinfection have been documented. We report an observational study of neurological abnormalities at 1–3 and 8–11 years following WNV infection in the HWNC.
Neuromuscular Manifestations of West Nile Virus Infection
WEBMar 21, 2012 · The most common neuromuscular manifestation of West Nile virus (WNV) infection is a poliomyelitis syndrome with asymmetric paralysis variably involving one (monoparesis) to four limbs (quadriparesis), with or without brainstem involvement and respiratory failure.
West Nile Virus Poliomyelitis: An Unnerving Re-emerging …
WEBAug 10, 2022 · A progressively more concerning cause of acute flaccid paralysis is West Nile Virus (WNV) poliomyelitis. The incidence of this disease is increasing at an alarming rate in the United States. This devastating infectious disease affects anterior horn cells of the spinal cord, exhibiting pathophysiology that is similar to polio.
Current Understanding of West Nile Virus Clinical Manifestations ...
WEBOct 16, 2019 · Patients with WNV poliomyelitis commonly have associated signs of meningitis, encephalitis, or respiratory distress from involvement of spinal motor neurons supplying the phrenic nerves to the diaphragm, however acute flaccid paralysis also may occur in the absence of fever or meningoencephalitis [24, 26, 27].
Clinical Signs and Symptoms of West Nile Virus Disease
WEBMay 15, 2024 · West Nile virus (WNV) can cause an acute febrile illness or neurologic disease, including meningitis, encephalitis, and acute flaccid myelitis. The incubation period ranges from 2–14 days but can be longer in immunocompromised persons.
West Nile virus - World Health Organization (WHO)
WEBOct 3, 2017 · The symptoms of severe disease (also called neuroinvasive disease, such as West Nile encephalitis or meningitis or West Nile poliomyelitis) include headache, high fever, neck stiffness, stupor, disorientation, coma, tremors, convulsions, muscle weakness, and …
A Poliomyelitis-like Syndrome from West Nile Virus Infection
WEBOct 17, 2002 · These clinical and electrodiagnostic findings are classic features of poliomyelitis and strongly suggest that in humans, as in animals, 3–5 the spinal cord gray matter is a target...
West Nile Virus - West Nile Virus - The Merck Manuals
WEBWest Nile virus is a flavivirus that is now the primary cause of arbovirus encephalitis in the United States. Most patients have mild or no symptoms. About 1 out of 150 patients develop a severe infection involving the central nervous system. Diagnosis is by serologic testing. Treatment is supportive with close monitoring for severe infection.
West Nile virus and "poliomyelitis" - PubMed
WEBJul 27, 2004 · West Nile virus (WNV) has recently been associated with a syndrome of acute flaccid paralysis. Most cases of WNV-associated weakness have clinical, histopathologic, and electrophysiologic characteristics indistinguishable from those of poliomyelitis caused by infection with poliovirus.
West Nile virus - Symptoms, diagnosis and treatment - BMJ Best …
WEBAug 10, 2023 · Summary. West Nile virus is a notifiable condition. Standard precautions should be taken when handling blood, blood products, or other body fluids that might be infected. Most infections are asymptomatic; however, about 20% of people develop a self-limiting, influenza-like illness.