alexa Epidemiological Characterization of Chikungunya Outbreak in Lahj Governorate, Southern Yemen | OMICS International
ISSN: 2161-0711

Journal of Community Medicine & Health Education
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Research Article

Epidemiological Characterization of Chikungunya Outbreak in Lahj Governorate, Southern Yemen

Ahmed AK Thabet1*, Samira MA Al-Eryani2, Najib Abdul Aziz3, Maha Obadi4, Mohammed Saleh4, Abdulhakeem Al-Kohlani5 and Adel Al- Samei6

1Infectious diseases specialist and Epidemiologist, Faculty of Medicine, Thamar University and National Communicable Diseases Officer, WHO, Yemen

2Department of Medical Parasitology, Faculty of Medicine and Health Sciences, Sana’a University, Sana’a, Yemen

3Epidemiologist, National Surveillance Officer, Ministry of Public Health and Population, Sana’a, Yemen

4Trainees, FETP, Ministry of Public Health and Population, Sana’a, Yemen

5Senior Public Health Specialist and Director General for Disease Control & Surveillance, Ministry of Public Health & Population, Yemen

6Health Specialists and Biostatistics, Ministry of Public Health and Population, Sana’a, Yemen

*Corresponding Author:
Ahmed A.K
Thabet, Infectious diseases specialist and Epidemiologist
Faculty of Medicine, Thamar University and Nationa Communicable Diseases Officer
WHO, Yemen
E-mail: [email protected]

Received date: July 18, 2013; Accepted date: August 21, 2013; Published date: August 23, 2013

Citation: Thabet AAK, Al-Eryani SMA, Aziz NA, Obadi M, Saleh M, et al. (2013) Epidemiological Characterization of Chikungunya Outbreak in Lahj Governorate, Southern Yemen. J Community Med Health Educ 3:247. doi: 10.4172/2161-0711.1000247

Copyright: © 2013 Thabet AAK, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Background and Objective: An outbreak of Chikungunya fever was poorly documented in the twenty three countries of the Eastern Mediterranean Region of the World Health Organization. The first case of Chikungunya fever was reported in Northern Yemen in the beginning of January 2011. This paper documents the first outbreak of Chikungunya fever in Southern Yemen and highlights the activities and findings of the epidemiology and laboratory team investigation during the outbreak. Methods: This was a case-series investigation in which the response teams conducted epidemiological and laboratory investigations on suspect cases. The cases identified were line-listed and a data analysis was undertaken regularly to guide the outbreak response. Results: Overall, 234 cases meeting the Chikungunya fever suspected case definition, were reported between 21st March and 8th May, 2012, from 19 areas in Al-Hawtah district, Lahj Governorate, Southern Yemen. Only 30 (12.8%) of the suspected Chikungunya cases underwent laboratory testing and only 13(43.33%) of them were laboratory confirmed as Chikungunya. Suspected Chikungunya cases had fever (100%) and arthralgia and joint swelling were reported in 95% and 64% of the cases, respectively. The overall attack rate was 7.52 cases/1000 populations. All age group and gender were affected. Conclusion: This is the first isolation of Chikungunya virus in Al-Hawtah district of Lahj governorate, Southern Yemen. The risk of expansion of Chikungunya fever to other governorates in Yemen and also to neighboring countries remains considerably high, as many of these governorates and countries are dengue prone, host large number of travelers from abroad and competent vectors for indigenous transmission of both dengue and Chikungunya exist in these countries. The location of this outbreak, in a coastal area of the country, makes the spread of the disease a further possibility.

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