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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
Improved measles surveillance in Cameroon reveals two major dynamic patterns of incidence
International Journal of Infectious Diseases, Volume 10, No. 2, Year 2006
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Description
Objective: To characterize the province-specific incidence patterns of measles in Cameroon and determine if an increase in measles incidence during the period January 2000-June 2001 is consistent with coincident epidemics in several regions with different inter-epidemic periods. Method: Periodic behavior of the monthly measles incidence time-series from each province of Cameroon was analyzed using time-series analysis and cluster techniques. Cumulative incidence in each province of Cameroon over a five-year period was associated with birth rates, and vaccination coverage. Results: Distinct patterns of measles incidence were found in two different areas of Cameroon. The three northern-most provinces experience major epidemics every year. Seven southern provinces show evidence of experiencing major epidemics every third year. In January 2000, Cameroon experienced coincident peaks in these two cycles and thus an increase in measles incidence countrywide over the previous year. Higher cumulative province-specific incidence rates were associated with higher birth rates and lower routine vaccination coverage rates. Conclusion: Within one country, two dramatically different dynamic patterns of measles incidence were observed. Long-term surveillance data is crucial to the evaluation of measles immunization campaigns. The availability of a five-year record of measles incidence in Cameroon reveals an interesting dynamic pattern of measles incidence that accounts for the increase in countrywide incidence in 2000-2001. © 2005 International Society for Infectious Diseases. Published by Elsevier Ltd. All rights reserved.
Authors & Co-Authors
Cummings, Derek A.T.
United States, Baltimore
Johns Hopkins Bloomberg School of Public Health
Moss, William John
United States, Baltimore
Johns Hopkins Bloomberg School of Public Health
Long, Kanya
United States, Galveston
Graduate School of Biomedical Sciences Galveston
Wiysonge, Charles Shey
South Africa, Observatory
Groote Schuur Hospital
Switzerland, Geneva
Organisation Mondiale de la Santé
Muluh, Ticha Johnson
Switzerland, Geneva
Organisation Mondiale de la Santé
Kollo, Basile
Cameroon, Yaounde
Health
Nomo, Emmanuel Negue
Cameroon, Yaounde
Who Cameroon Country Office
Wolfe, Nathan D.
United States, Baltimore
Johns Hopkins Bloomberg School of Public Health
Burke, Donald S.
United States, Baltimore
Johns Hopkins Bloomberg School of Public Health
Statistics
Citations: 24
Authors: 9
Affiliations: 6
Identifiers
Doi:
10.1016/j.ijid.2004.10.010
ISSN:
12019712
Research Areas
Health System And Policy
Infectious Diseases
Maternal And Child Health
Study Design
Cohort Study
Study Locations
Cameroon