Aim: Clinical-epidemiological characteristic of West Nile fever on the territory of Krasnodar Region in multi-year dynamics.
Materials And Methods: Manifestations of epidemic process and clinical symptoms of West Nile fever (WNF) on the territory of Krasnodar Region were analyzed retrospectively from 1988 to 2013. Results of epidemiologic observations wiih inclusion of monitoring of arbovirus circulation, carried out by Prichernomorskaya Station of Plague Control and Centre of Hygiene and Epidemiology in Krasnodar Region were used. Clinical course of verified WNFwas studied in 62 patients, treated in the Specialized Clinical Infectious Hospital ofKrasnodar in 1999-2012.
Results: Clinical-epidemiologic characteristic of cases of West Nile fever morbidity on the territory of Krasnodar Region is presented. The presence of acting foci of arbovirus infections was noted. Clinical signs of the disease are established, patients allocated into groups that require examination for West Nile fever.
Conclusion: Complex of entomologic-virologic monitoring, prophylactic and counter-epidemic measures was determined, that allow to prevent emergence of dangerous epidemiologic manifestations of foci of the disease in the future.
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Bull Math Biol
January 2025
Department of Biology, Memorial University of Newfoundland, St. John's, NL, Canada.
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Laboratory of Virology, Wageningen University and Research, Wageningen, the Netherlands.
Millions of people are annually infected by mosquito-transmitted arboviruses including dengue virus (DENV), West Nile virus (WNV), Zika virus (ZIKV) and chikungunya virus (CHIKV). Insect-specific flaviviruses (ISFs), which only infect mosquitoes and cannot replicate in vertebrates, can offers a potential one health strategy to block the transmission of arboviruses by reducing the mosquito's susceptibility for subsequent arbovirus infections through superinfection exclusion (SIE),. Most SIE studies focus on acute ISF infections in RNAi-deficient C6/36 cells.
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Due to their widespread geographic distribution and frequent outbreaks, mosquito-borne flaviviruses, such as DENV (DENV), Zika virus (ZIKV), Japanese encephalitis virus (JEV), yellow fever virus (YFV), and West Nile virus (WNV), are considered significant global public health threats and contribute to dramatic socioeconomic imbalances worldwide. The global prevalence of these viruses is largely driven by extensive international travels and ecological disruptions that create favorable conditions for the breeding of and species, the mosquito vectors responsible for the spread of these pathogens. Currently, vaccines are available for only DENV, YFV, and JEV, but these face several challenges, including safety concerns, lengthy production processes, and logistical difficulties in distribution, especially in resource-limited regions, highlighting the urgent need for innovative vaccine approaches.
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Department of Pharmacognosy, Faculty of Pharmacy, Mansoura University, Mansoura, 35516, Egypt.
Hesperidin, a natural flavanone glycoside predominantly found in citrus fruits, has gained attention for its wide-ranging biological activities, including potential insecticidal properties. Culex pipiens, commonly known as the northern house mosquito, is a major vector of several human pathogens, such as the West Nile virus and filariasis, making it a key target in the fight against vector-borne diseases. In this study, we evaluated the larvicidal activity of Hesperidin against Culex pipiens larvae, assessing its potential as an alternative to chemical insecticides.
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ICMR-Vector Control Research Centre Field Station, Kottayam, Kerala, India.
West Nile virus (WNV) infection is emerging as a disease of public health concern in Kerala, India with recurring outbreaks since 2011. With its tropical climate, biodiversity hot spots of Western ghats, forest cover, plenty of water bodies and bird sanctuaries, Kerala provides an ideal ecological niche for vector breeding and transmission of WNV. In this article, we reflect on the peculiar features of the outbreaks of WNV fever in Kerala and highlight the knowledge gaps, the research priorities and the need for effective control measures.
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