Dengue fever seroprevalence and risk factors, Texas-Mexico border, 2004.

Dengue fever seroprevalence and risk factors, Texas-Mexico border, 2004.
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DOI:
10.3201/eid1310.061586
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发表时间:
2007-10
影响因子:
11.8
通讯作者:
Haddad BM
Haddad BM
中科院分区:
医学2区
文献类型:
--
作者:
Brunkard JM;Robles López JL;Ramirez J;Cifuentes E;Rothenberg SJ;Hunsperger EA;Moore CG;Brussolo RM;Villarreal NA;Haddad BM

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边界两侧的登革热血清阳性率都很高。自1980年以来,美国报告的本土登革热传播仅限于德克萨斯州南部边境的5个县。2004年,我们在德克萨斯州的布朗斯维尔和墨西哥塔毛利帕斯州的马塔莫罗斯(n = 600)进行了一项横断面血清调查,以评估登革热血清阳性率。在布朗斯维尔和马塔莫罗斯,分别有2%(95%置信区间[CI] 0.5%-3.5%)和7.3%(95% CI 4.3%-10.3%)的居民检测到近期登革热感染。布朗斯维尔居民和马塔莫罗斯居民的既往感染率分别为40%(95% CI 34%-45%)和78%(95% CI 74%-83%)。对于近期感染,只有每周家庭收入<100美元是一个重要的预测因素(调整后的比值比3.2,95%CI 1.3-8.0)。预测过去登革热感染的风险因素是幼虫栖息地的存在,没有空调和街道排水,以及每周家庭收入<100美元。在这两个城市,30%的家庭中存在苔藓幼虫。我们的研究结果表明,登革热是地方性的,在这个地区的南部得克萨斯州-墨西哥边境。
High seroprevalence of dengue was found on both sides of the border. Reported autochthonous dengue fever transmission in the United States has been limited to 5 south Texas border counties since 1980. We conducted a cross-sectional serosurvey in Brownsville, Texas, and Matamoros, Tamaulipas, Mexico (n = 600), in 2004 to assess dengue seroprevalence. Recent dengue infection was detected in 2% (95% confidence interval [CI] 0.5%–3.5%) and 7.3% (95% CI 4.3%–10.3%) of residents in Brownsville and Matamoros, respectively. Past infection was detected in 40% (95% CI 34%–45%) of Brownsville residents and 78% (95% CI 74%–83%) of Matamoros residents. For recent infection, only weekly family income <$100 was a significant predictor (adjusted odds ratio 3.2, 95% CI 1.3–8.0). Risk factors that predicted past dengue infection were presence of larval habitat, absence of air-conditioning and street drainage, and weekly family income <$100. Mosquito larvae were present in 30% of households in both cities. Our results show that dengue fever is endemic in this area of the southern Texas–Mexico border.
DOI: 10.4269/ajtmh.1982.31.1222
发表时间: 1982-01-01
影响因子: 3.3
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发表时间: 1996-04
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