School of Medicine, University Hospital Júlio Müller, Federal University of Mato Grosso, Rua Dr. Luiz Philippe Pereira Leite s/n, Bairro Alvorada, Cuiabá, MT, 78.048-902, Brazil.
Geography Department, Federal University of Mato Grosso, Av. Fernando Corrêa da Costa 2367, Bairro Boa Esperança, Cuiabá, MT, 78.060-900, Brazil.
Malar J. 2024 Aug 5;23(1):234. doi: 10.1186/s12936-024-05033-7.
More than 95% of malaria transmission in Brazil occurs in the Legal Amazon Region, which in 2010 recorded around 333,429 cases reported in the Epidemiological Surveillance Information System-Malaria (Sivep_malaria), presenting an annual parasitic incidence (IPA) of 13.1 cases/1000 inhabitants.
This was a descriptive study that measured the community prevalence of Plasmodium infection and its relationship with land use in Três Fronteiras District, Colniza Municipality, Mato Grosso State. Data were collected during household visits in July 2011, with blood collection from finger pricks for the preparation of thick smear slides, and completion of a standardized case notification form. A georeferenced database was analysed, with land use evaluated as categorical variables. A kernel density map was built to show the density of cases and their location.
Of the 621 respondents, 68(11%) had Plasmodium infection: 39 (57.4%) with Plasmodium vivax, 27(39.7%) with Plasmodium falciparum and two (2.9%) with mixed infections. Among infected individuals, 49 (72.1%) were men. Cases of malaria were distributed over the district, with greater occurrence of cases per household in open areas close to the mining company and artisanal mining sites. The was a greater density of cases located in the gold mining region.
Transmission of malaria in Três Fronteiras District has a heterogeneous distribution. Individuals residing in mining and timber extraction sites have increased occurrence of Plasmodium infection.
在巴西，超过 95%的疟疾传播发生在法定亚马逊地区，该地区在 2010 年记录了约 333429 例在流行病学监测信息系统-疟疾（Sivep_malaria）中报告的病例，呈现出每年寄生虫发病率（IPA）为 13.1 例/1000 居民。
这是一项描述性研究，测量了特雷斯弗龙特斯区（Três Fronteiras District）的社区疟原虫感染流行率及其与土地利用的关系，该地区位于马托格罗索州（Mato Grosso State）的科伦扎市（Colniza Municipality）。数据是在 2011 年 7 月进行家访时收集的，从手指刺破处采集血液，用于制备厚涂片，并填写标准化病例报告表。对地理参考数据库进行了分析，将土地利用评估为分类变量。绘制了核密度图，以显示病例的密度及其位置。
在 621 名受访者中，有 68 人（11%）感染了疟原虫：39 人（57.4%）患有间日疟原虫（Plasmodium vivax），27 人（39.7%）患有恶性疟原虫（Plasmodium falciparum），2 人（2.9%）患有混合感染。在感染个体中，有 49 人（72.1%）为男性。疟疾病例分布在整个地区，在靠近矿业公司和手工采矿点的开放区域，每户家庭的疟疾病例发生率更高。矿区的疟疾病例密度更高。
特雷斯弗龙特斯区的疟疾传播呈异质分布。居住在采矿和木材采伐点的个体感染疟原虫的发生率更高。
