Journal of Vaccines & Vaccination

Walid Ammar

Publications

• Research
  Effectiveness of Previous Mumps Vaccination during the 2014-2015 Outbreak in Lebanon
  Author(s): Nadine Haddad, Hala Abou Naja, Sabine Kassouf, Adela Paez Jimenez, Ghada Abou Mrad, Walid Ammar and Nada Ghosn Nadine Haddad, Hala Abou Naja, Sabine Kassouf, Adela Paez Jimenez, Ghada Abou Mrad, Walid Ammar and Nada Ghosn
  
  Introduction: In Lebanon, MMR was introduced at 12 months and 4-5 years in 1996. In 2014, the 2nd MMR dose was shifted to 18 months. Despite a national MMR coverage estimated at 79%, a six-fold increase in mumps national incidence was observed in December 2014. The objective of this study is to determine mumps vaccine effectiveness (VE) among Lebanese population to guide immunization policies. Methods: Clinical and confirmed mumps cases reported to the Epidemiological Surveillance Program between 2014W46 and 2015W11 were eligible if they were Lebanese and aged 1.5 to 19 years-old. Controls were randomly selected controls using phonebook of the same area and matched 1:1 on age and locality. Information was collected by structured phone interviews. Mumps vaccination status was based on documented valid dates for MMR doses. Data were entered using.. View More»
  DOI: 10.4172/2157-7560.1000378

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