A descriptive analysis of dengue in Peace Corps Volunteers, 2000–2019,Travel Medicine and Infectious Disease

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A descriptive analysis of dengue in Peace Corps Volunteers, 2000–2019
Travel Medicine and Infectious Disease ( IF 6.3 ) Pub Date : 2021-06-15 , DOI: 10.1016/j.tmaid.2021.102125
Catherine T Gulley ₁ , Daniel E Murphy ₁ , Scott A Poe ₁ , Kyle Petersen ₁

Affiliation

Background

Peace Corps Volunteers (PCVs) are a unique expatriate population at risk for dengue. Previous studies examined travelers or lacked demographic information about expatriates. We examined dengue incidence among PCVs before and after deployment of an electronic medical record (EMR) to assess temporal and demographic factors.

Methods

Dengue cases within Peace Corps’ Epidemiologic Surveillance System from 2000 to 2019 were identified using a standard case definition, and two timeframes were compared: pre-EMR 2000–2015 and post-EMR 2016–2019.

Results

Annual infections occurred in a roughly 3-year cyclic pattern from 2007 to 2019. Incidence rate decreased from 1.35 cases per 100 dengue Volunteer-years (95% CI 1.28–1.41) in 2000–2015 to 1.25 cases (95% CI 1.10–1.41) in 2016–2019. Among PCVs who served from 2016 to 2019, the majority of infections occurred in females and 20–29 year olds, and 7% were medically evacuated. Among PCVs who served from 2015 to 2019, 21% were hospitalized in-country.

Conclusions

Among PCVs, a non-significant decrease in dengue incidence occurred from 2000–2015 to 2016–2019. Annual infection rates peaked every three years, offering opportunities for targeted prevention efforts. Dengue infection in PCVs appears to mimic the overall demographic of Peace Corps. Expatriates like PCVs are at an increased risk for dengue infection compared to short-term travelers.

中文翻译：

2000 年至 2019 年 Peace Corps 志愿者中登革热的描述性分析

背景

Peace Corps 志愿者 (PCV) 是独特的外籍人士，有患登革热的风险。以前的研究检查了旅行者或缺乏有关外籍人士的人口统计信息。我们在部署电子病历 (EMR) 之前和之后检查了 PCV 的登革热发病率，以评估时间和人口因素。

方法

2000 年至 2019 年 Peace Corps 流行病学监测系统内的登革热病例使用标准病例定义进行识别，并比较了两个时间范围：EMR 前 2000-2015 和后 EMR 2016-2019。

结果

从 2007 年到 2019 年，每年的感染以大约 3 年的循环模式发生。发病率从 2000 年至 2015 年的每 100 登革热志愿者年 1.35 例（95% CI 1.28–1.41）下降到 1.25 例（95% CI 1.410） ) 2016-2019 年。在 2016 年至 2019 年服役的 PCV 中，大多数感染发生在女性和 20-29 岁的人群中，7% 被医疗后送。在 2015 年至 2019 年服务的 PCV 中，21% 在国内住院。