Epidemiology

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Browsing Epidemiology by Author "Adamu, Zekarias"

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    Ethiopian Field Epidemiology and Laboratory Training Program (EFELTP) Compiled Body of Works in Field Epidemiology
    (Addis Abeba University, 2012-06) Adamu, Zekarias; Aragaw, Mer’Awi(Dr.)
    Backgrounds: In 2011, Ethiopia faced measles outbreak from different regions of the country. Bahir Dar Zuria woreda, Amhara Region is one of affected woreda by measles outbreak. Bahir Dar Zuria woreda health office reported the Chenta outbreak to Regional Health Bureau, Public Health Emergency management department by telephone on April 9, 2011. The report initiated outbreak investigation to identify the etiology, assess risk factors and propose appropriate intervention. Methods: Descriptive study was conducted in Chenta kebele, Bahir Dar zuria, Amhara Regional state, from April 20 to June 7, 2011. Data were collected by using measles outbreak reporting line list and unstructured questionnaire. Those cases that develop fever, rash and either cough or Coryza or Conjunctivitis were searched from clinic registration and house to house. Descriptive analysis done by entering and recoding collected data using Epi-info version3.5.1 and Microsoft office Excel 2007. Results: A total of 46 cases with 2 deaths (Case fatality rate CFR=4.35%) were identified in Chenta Kebele. The age range was 1 to 38 year with median age of 11.5 year; and age distribution of cases were 11(23.9%), 17(37%) and 18(39.1%) cases at age groups of 1 to 4, 5 to14 and 15 to 38 years old respectively. Of 46 cases 24(52.2%) were Females. The vaccination status of cases were 24(52.2%) not vaccinated, 17(37%) received 1 dose and 5(10.9%) received 2 doses of measles vaccine. The first index case of Chenta has travel history to Dehina Mariam which reported measles outbreak prior to Chenta. Conclusion and Recommendation: .In this kebele, legible children are found not vaccinated. Travel history to measles affected area and accumulation of susceptible children in the kebele may have facilitated the outbreak. And hence, strengthening routine and supplemental immunization activities and early control of localized outbreak elsewhere will prevent future outbreaks and expansion of outbreaks.