Epidemiological impact of a nationwide measles immunization campaign in Viet Nam: a critical review.

Bulletin of the World Health Organization
Hitoshi MurakamiDo Si Hien

Abstract

To study the impact on measles case incidence of a nationwide measles immunization campaign in Viet Nam, while considering differences in disease surveillance before and after the campaign. A nationwide mass immunization campaign was conducted in the north and south of Viet Nam in 2002 and 2003, respectively. During the campaign, a second vaccination dose was given to children aged 9 months to 9 years, and the reported coverage reached 99% in both zones. National measles case-based surveillance data collected during 2001-2006 were reviewed and analysed. Surveillance performance was assessed in terms of case investigation and specimen collection rates and reporting sensitivity for febrile rash cases. Fisher's exact test was used to test for differences in indicator values before and after the campaign at the national and regional levels; the Wilcoxon signed-rank test was used at the provincial level. Despite significant improvements in disease surveillance, a dramatic reduction in observed measles incidence was noted nationwide after the immunization campaign, with a drop in the national incidence of confirmed measles cases per 100 000 population from 5.44 in 2001 to 0.14 after the campaign (i.e. 2003 in the north and 2004 in th...Continue Reading

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Citations

Jun 17, 2011·The Journal of Infectious Diseases·Jiatong ZhuoJian Zhang
Jun 17, 2011·The Journal of Infectious Diseases·David H SniadackNguyen Tran Hien
Mar 7, 2013·Global Health Action·Mats MålqvistSarah Thomsen
Mar 14, 2013·Global Health Action·Nguyen Duc Hinh, Hoang Van Minh
Feb 18, 2011·International Journal of Biological Sciences·Jephtha C NmorKensuke Goto
Jun 17, 2011·The Journal of Infectious Diseases·Eric WiesenM D Abdul Jalil Mondal
Nov 29, 2011·International Journal of Infectious Diseases : IJID : Official Publication of the International Society for Infectious Diseases·Zhi Qiang PengYong Hui Zhang
Nov 17, 2010·PloS One·Jeremy D Goldhaber-FiebertJoshua A Salomon
May 2, 2006·Advances in Parasitology·A J TatemS I Hay
Jun 3, 2014·International Journal for Equity in Health·Duong Anh VuongReinhard Busse
Aug 31, 2016·Nature Microbiology·Chengjun LiYoshihiro Kawaoka

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