Low Generation Culex quinquefasciatus from Texas and Culex pipiens from New Jersey Are Incompetent Vectors for Oropouche Virus.

IF 1.9 4区 医学 Q3 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH
Erik Turner, Nicole Foley, Casey Parker-Crockett, Linda Kothera, Emily Davis, Matylda Lally, Cassandra Durden, Joan L Kenney
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引用次数: 0

Abstract

During the 2024 Oropouche virus (OROV) outbreak in South America, mosquito surveillance led to the identification of pools of Culex quinquefasciatus infected with the virus. Because of the outbreak strain's status as a novel reassortment and the novel sequela discovered during this outbreak, concerns arose about Culex species as potential vectors in the continental United States. To assess the risk posed by Cx. quinquefasciatus and the closely related species Culex pipiens, the vector competence of mosquitoes reared from eggs collected in Dallas, TX, and New Jersey was examined. Three replicates of an infectious bloodmeal were offered to Cx. quinquefasciatus at generations F2, F4, and F9, resulting in 0/305 individuals with midgut infections. One infectious bloodmeal was offered to Cx. pipiens at generation F4, with 0/120 resulting midgut infections. These data, which align with other recent publications, indicate that United States populations of Cx. quinquefasciatus and Cx. pipiens are not competent vectors of the outbreak strain of OROV.

来自德克萨斯州的低代致倦库蚊和来自新泽西州的库蚊是Oropouche病毒的不合格载体。
在2024年南美暴发欧罗波切病毒(OROV)期间,蚊虫监测发现了感染该病毒的致倦库蚊群。由于此次暴发毒株是一种新的重组毒株,并且在此次暴发期间发现了新的后遗症,人们对库蚊在美国大陆作为潜在媒介的可能性感到担忧。评估Cx带来的风险。以致倦库蚊和其近缘种淡库蚊为媒介,对得克萨斯州达拉斯和新泽西州采集的蚊卵进行媒介能力检测。给Cx提供3个重复的传染性血粉。F2、F4和F9代致倦库蚊,导致0/305例中肠感染。给Cx提供了一份传染性血餐。在F4代,0/120导致中肠感染。这些数据,与其他最近的出版物一致,表明美国人口的x。致倦库蚊和Cx。库蚊不是OROV暴发菌株的有效媒介。
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来源期刊
American Journal of Tropical Medicine and Hygiene
American Journal of Tropical Medicine and Hygiene 医学-公共卫生、环境卫生与职业卫生
CiteScore
6.20
自引率
3.00%
发文量
508
审稿时长
3 months
期刊介绍: The American Journal of Tropical Medicine and Hygiene, established in 1921, is published monthly by the American Society of Tropical Medicine and Hygiene. It is among the top-ranked tropical medicine journals in the world publishing original scientific articles and the latest science covering new research with an emphasis on population, clinical and laboratory science and the application of technology in the fields of tropical medicine, parasitology, immunology, infectious diseases, epidemiology, basic and molecular biology, virology and international medicine. The Journal publishes unsolicited peer-reviewed manuscripts, review articles, short reports, images in Clinical Tropical Medicine, case studies, reports on the efficacy of new drugs and methods of treatment, prevention and control methodologies,new testing methods and equipment, book reports and Letters to the Editor. Topics range from applied epidemiology in such relevant areas as AIDS to the molecular biology of vaccine development. The Journal is of interest to epidemiologists, parasitologists, virologists, clinicians, entomologists and public health officials who are concerned with health issues of the tropics, developing nations and emerging infectious diseases. Major granting institutions including philanthropic and governmental institutions active in the public health field, and medical and scientific libraries throughout the world purchase the Journal. Two or more supplements to the Journal on topics of special interest are published annually. These supplements represent comprehensive and multidisciplinary discussions of issues of concern to tropical disease specialists and health issues of developing countries
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