Comparative host feeding patterns of the Asian tiger mosquito, Aedes albopictus, in urban and suburban Northeastern USA and implications for disease transmission.
Comparative host feeding patterns of the Asian tiger mosquito, Aedes albopictus, in urban and suburban Northeastern USA and implications for disease transmission.
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DOI：
10.1371/journal.pntd.0003037
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发表时间：
2014-08
影响因子：
3.8
通讯作者：
Gaugler R
中科院分区：
文献类型：
--
作者：
Faraji A;Egizi A;Fonseca DM;Unlu I;Crepeau T;Healy SP;Gaugler R
白纹伊蚊是一种入侵物种，其地理范围不断扩大，并与基孔肯雅病和登革热等蚊媒疾病有关。入侵蚊子的宿主选择模式至关重要，因为它们增加了地方病的传播，并推动了外来病原体的爆发。传统上，E。白纹伊蚊的特征是机会性摄食者，主要以哺乳动物宿主为食，但偶尔也从鸟类来源获得血液。然而，有限的信息是他们的饮食模式在温带地区的扩大范围。由于不断扩大和丰富的Ae。白纹伊蚊和外来病原体在从流行区返回的旅行者不断升级的诊断，我们调查了该物种在新入侵地区的宿主摄食模式，以进一步阐明其在疾病生态学中的作用，并评估外来虫媒病毒爆发对公共卫生的威胁。我们确定了165个血餐的脊椎动物来源。2008年至2011年间从美国东北部的城市和郊区收集的白纹伊蚊。我们使用了一个网络的生物哨兵陷阱，这提高了Ae。白纹伊蚊捕获计数，以进行我们的血蚊收集。我们还分析了与Ae一起收集的带血库蚊。白纹伊蚊，以检查社区的血液来源的组成。我们没有发现偏倚的证据，因为正如预期的那样，库蚊血餐主要来自鸟类（n = 149，93.7%），只有一小部分以哺乳动物为食（n = 10，6.3%）。 相比之下，白纹伊蚊专门以哺乳动物宿主为食，其90%以上的血液来自人类（n = 96，58.2%）和家养宠物（n = 38，23.0%猫; n = 24，14.6%狗）。 白纹伊蚊在郊区比在城市地区更经常从人身上取食（χ2，p = 0.004），并且猫源性血粉在城市栖息地更高（χ2，p = 0.022）。 禽源性血粉中没有检测到任何的Ae。白纹伊蚊测试。Ae的高哺乳动物亲和力。白纹伊蚊表明该物种将是哺乳动物和人类驱动的人畜共患病如拉克罗斯、登革热和基孔肯雅病毒的有效载体。缺乏从鸟类获得的血餐Ae。白纹伊蚊的研究表明，该物种可能有限地暴露于已经在美国传播的地方性禽类人畜共患病，如圣路易斯脑炎和西尼罗河病毒。然而，越来越多的Ae。白纹伊蚊在主要大都市和郊区中心的传播，使得虫媒病毒如基孔肯雅病毒或登革热病毒的大规模本土爆发成为明显和现实的危险。鉴于Ae的困难。为了预防和控制白纹伊蚊，我们建议公共卫生从业人员和政策制定者采取积极措施，立即缓解外来病原体的爆发。 白纹伊蚊是世界上最具侵袭性和攻击性的疾病媒介之一。该物种的范围目前仍在扩大，特别是进入美国和欧洲温带地区的高密度人口中心，增加了基孔肯雅病和登革热等新发和复发疾病的公共卫生威胁。的突出。在基孔肯雅病毒全球大流行期间，白纹伊蚊作为主要媒介暴露，主要是因为病毒适应性增强了这种蚊子物种的传播效率，还因为基孔肯雅病毒在温带欧洲的首次局部传播病例。蚊子的吸血模式是病毒增殖的一个关键组成部分，决定了疾病流行的程度和强度，特别是在新入侵的地区。我们检查了侵袭性Ae的血粉来源。研究人员在北美温带白纹伊蚊分布区的最北端发现了白纹伊蚊，并发现该物种专门以哺乳动物宿主为食，其90%以上的血液来自人类及其相关宠物（猫和狗）。Ae.的高哺乳动物亲和力。白纹伊蚊表明，该物种可能是该地区由哺乳动物引起的人畜共患病和由人类引起的人畜共患病（如登革热和基孔肯雅病毒）的有效载体。
Aedes albopictus is an invasive species which continues expanding its geographic range and involvement in mosquito-borne diseases such as chikungunya and dengue. Host selection patterns by invasive mosquitoes are critically important because they increase endemic disease transmission and drive outbreaks of exotic pathogens. Traditionally, Ae. albopictus has been characterized as an opportunistic feeder, primarily feeding on mammalian hosts but occasionally acquiring blood from avian sources as well. However, limited information is available on their feeding patterns in temperate regions of their expanded range. Because of the increasing expansion and abundance of Ae. albopictus and the escalating diagnoses of exotic pathogens in travelers returning from endemic areas, we investigated the host feeding patterns of this species in newly invaded areas to further shed light on its role in disease ecology and assess the public health threat of an exotic arbovirus outbreak. We identified the vertebrate source of 165 blood meals in Ae. albopictus collected between 2008 and 2011 from urban and suburban areas in northeastern USA. We used a network of Biogents Sentinel traps, which enhance Ae. albopictus capture counts, to conduct our collections of blooded mosquitoes. We also analyzed blooded Culex mosquitoes collected alongside Ae. albopictus in order to examine the composition of the community of blood sources. We found no evidence of bias since as expected Culex blood meals were predominantly from birds (n = 149, 93.7%) with only a small proportion feeding on mammals (n = 10, 6.3%). In contrast, Aedes albopictus fed exclusively on mammalian hosts with over 90% of their blood meals derived from humans (n = 96, 58.2%) and domesticated pets (n = 38, 23.0% cats; and n = 24, 14.6% dogs). Aedes albopictus fed from humans significantly more often in suburban than in urban areas (χ2, p = 0.004) and cat-derived blood meals were greater in urban habitats (χ2, p = 0.022). Avian-derived blood meals were not detected in any of the Ae. albopictus tested. The high mammalian affinity of Ae. albopictus suggests that this species will be an efficient vector of mammal- and human-driven zoonoses such as La Crosse, dengue, and chikungunya viruses. The lack of blood meals obtained from birds by Ae. albopictus suggest that this species may have limited exposure to endemic avian zoonoses such as St. Louis encephalitis and West Nile virus, which already circulate in the USA. However, growing populations of Ae. albopictus in major metropolitan urban and suburban centers, make a large autochthonous outbreak of an arbovirus such as chikungunya or dengue viruses a clear and present danger. Given the difficulties of Ae. albopictus suppression, we recommend that public health practitioners and policy makers install proactive measures for the imminent mitigation of an exotic pathogen outbreak. Aedes albopictus is one of the most invasive and aggressive disease vectors in the world. The range of this species is currently still expanding, particularly into highly dense human population centers in temperate areas in the USA and Europe, raising the public health threat of emerging and re-emerging diseases such as chikungunya and dengue. The prominence of Ae. albopictus as a major vector was exposed during the global pandemic of chikungunya virus, primarily because of a virus adaptation which enhanced the transmission efficiency by this mosquito species and also because of the first locally-transmitted cases of chikungunya virus in temperate Europe. Blood feeding patterns by mosquitoes are a critical component of virus proliferation and determine the degree and intensity of disease epidemics, particularly in newly invaded areas. We examined the blood meal sources of invasive Ae. albopictus in the northernmost boundary of their range in temperate North America and found that the species fed exclusively on mammalian hosts, with over 90% of their blood meals derived from humans and their associated pets (cats and dogs). The high mammalian affinity of Ae. albopictus suggests that this species may be an efficient vector of mammal-driven zoonoses and human-driven anthroponoses such as dengue and chikungunya viruses in this region.
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影响因子：
3.7
作者：
Crepeau TN;Healy SP;Bartlett-Healy K;Unlu I;Farajollahi A;Fonseca DM
通讯作者：
Fonseca DM
影响因子：
2.1
作者：
Benedict, Mark Q.;Levine, Rebecca S.;Lounibos, L. Philip
通讯作者：
Lounibos, L. Philip
影响因子：
2.1
作者：
Armstrong, Philip M.;Anderson, John F.;Andreadis, Theodore G.
通讯作者：
Andreadis, Theodore G.
影响因子：
3.7
作者：
Farajollahi A;Healy SP;Unlu I;Gaugler R;Fonseca DM
通讯作者：
Fonseca DM
DOI：
10.4269/ajtmh.1995.53.105
发表时间：
1995-07-01
影响因子：
3.3
作者：
CRABTREE, MB;SAVAGE, HM;MILLER, BR
通讯作者：
MILLER, BR