Laboratory of Entomology Research, Department of Microbiology and Parasitology, Universidade Federal do Rio Grande do Norte, Natal 59.078-970, Rio Grande do Norte, Brazil.
Laboratory of Infectious Diseases and Cancer, Department of Microbiology and Parasitology; Institute of Tropical Medicine; Universidade Federal do Rio Grande do Norte, Natal 59.078-970, Rio Grande do Norte, Brazil.
Acta Trop. 2020 Sep;209:105538. doi: 10.1016/j.actatropica.2020.105538. Epub 2020 May 23.
The Dengue, Zika and Chikungunya viruses have been spreading in tropical regions, causing epidemics with high morbidity rates and fatal cases. The aim of this study was to assess the diversity and abundance of culicid species and the presence of arboviruses in mosquitoes, at the epicenter of an epidemic outbreak that occurred in people living near an urban Atlantic Forest park. Mosquitoes were captured with a Shannon trap between 2 and 6 pm in seven months of 2019. The Chikungunya virus was investigated according to the protocol described by Lanciotti (2007). The most abundant species were Wyeomyia bourrouli (66.9%) and Aedes albopictus (23.9%). Also captured were Aedes fluviatilis (3.2%); Haemagogus leucocelaenus (2.2%); Aedes scapularis (2.2%); Aedes aegypti (1.6%); Aedes serratus and (0.3%) and Aedes taeniorhynchus (0.3%). The Chikungunya virus was identified in A. aegypti females; A. albopictus females and males; Aedes fluviatilis and Wy.bourrouli. The presence of the Chikungunya virus in the afore mentioned mosquitoes reinforces the hypothesis that arbovirus expansion is associated with the participation of other mosquito species in the transmission areas, primarily the Chikungunya virus in the study area. The data also demonstrate the need for permanent entomological surveillance and measures to preserve the area, in order to hinder its degradation, the adaptation of culicid species to new habitats and the formation of enzootic cycles of these viruses in the forest.
登革热、寨卡和基孔肯雅热病毒在热带地区传播，导致发病率和死亡率高的流行。本研究的目的是评估在发生于居住在城市大西洋森林公园附近人群中的疫情爆发中心，蚊种的多样性和丰度以及蚊体内虫媒病毒的存在情况。在 2019 年的七个月中，使用 Shannon 陷阱在下午 2 点至 6 点之间捕获蚊子。根据 Lanciotti（2007）的描述调查了基孔肯雅病毒。最丰富的物种是 Bourrouli 伊蚊（66.9％）和白纹伊蚊（23.9％）。还捕获了 Aedes fluviatilis（3.2％）；Haemagogus leucocelaenus（2.2％）；Aedes scapularis（2.2％）；Aedes aegypti（1.6％）；Aedes serratus和（0.3％）和 Aedes taeniorhynchus（0.3％）。在 A. aegypti 雌性；A. albopictus 雌性和雄性；Aedes fluviatilis 和 Wy.bourrouli 中鉴定出基孔肯雅病毒。上述蚊子中基孔肯雅病毒的存在加强了这样一种假设，即虫媒病毒的传播与其他蚊种参与传播区有关，主要是基孔肯雅病毒在研究区的传播。这些数据还表明需要进行持续的昆虫学监测并采取措施保护该地区，以阻止其退化，蚊种适应新栖息地以及这些病毒在森林中形成地方性循环。
