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- Title
Ocular Manifestations of Flavivirus Infections.
- Authors
Zina, Sourour Meziou; Hoarau, Gautier; Labetoulle, Marc; Khairallah, Moncef; Rousseau, Antoine
- Abstract
Flaviviruses are a group of positive-sense, single-stranded RNA viruses predominantly transmitted by arthropods (mainly mosquitoes) that cause severe endemic infections and epidemics on a global scale. They represent a major cause of systemic morbidity and death and are expanding worldwide. Among this group, dengue fever, the West Nile virus, yellow fever, Japanese Encephalitis, and, recently, the Zika virus have been linked to a spectrum of ocular manifestations. These manifestations encompass subconjunctival hemorrhages and conjunctivitis, anterior and posterior uveitis (inclusive of vitritis, chorioretinitis, and retinal vasculitis), maculopathy, retinal hemorrhages, and optic neuritis. Clinical diagnosis of these infectious diseases is primarily based on epidemiological data, history, systemic symptoms and signs, and the pattern of ocular involvement. Diagnosis confirmation relies on laboratory testing, including RT-PCR and serological testing. Ocular involvement typically follows a self-limited course but can result in irreversible visual impairment. Effective treatments of flavivirus infections are currently unavailable. Prevention remains the mainstay for arthropod vector and zoonotic disease control. Effective vaccines are available only for the yellow fever virus, dengue virus, and Japanese Encephalitis virus. This review comprehensively summarizes the current knowledge regarding the ophthalmic manifestations of the foremost flavivirus-associated human diseases.
- Subjects
FLAVIVIRAL diseases; JAPANESE encephalitis viruses; WEST Nile virus; YELLOW fever; OCULAR manifestations of general diseases; ENDEMIC diseases
- Publication
Pathogens, 2023, Vol 12, Issue 12, p1457
- ISSN
2076-0817
- Publication type
Article
- DOI
10.3390/pathogens12121457