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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
immunology and microbiology
Accuracy of the health information system on malaria surveillance in Vietnam
Transactions of the Royal Society of Tropical Medicine and Hygiene, Volume 101, No. 3, Year 2007
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Description
The health information system (HIS) is a key component of control programs and its accuracy is necessary for the assessment of disease risks, the formulation of priorities and the evaluation of the cost-effectiveness of different interventions. In order to assess the quality of the HIS in estimating malaria morbidity in Vietnam, we compared data obtained by a 2-year active (ACD) and passive case detection (PCD) study with those routinely collected at the local commune health centres (CHC) at three sites having different malaria epidemiology. The majority of malaria cases (80-95%) detected by ACD were missed by the HIS. Similarly, most malaria cases (50-90%) detected by PCD were also missed by the HIS, and this was proportional to the number of active private practitioners. Reasons for this low sensitivity are low CHC attendance, high attendance at private health facilities, widespread self-medication and attendance at central health facilities. In conclusion, although malaria has sharply decreased in Vietnam over the past 10 years, the current HIS greatly underestimates the malaria burden. Involvement of the private sector and the establishment of sentinel sites might improve the quality of data and the relevance of HIS in malaria control. © 2006 Royal Society of Tropical Medicine and Hygiene.
Authors & Co-Authors
Erhart, Annette
Belgium, Antwerpen
Prins Leopold Instituut Voor Tropische Geneeskunde
Thang, Ngo Duc
Viet Nam, Hanoi
National Institute of Malariology, Parasitology and Entomology Hanoi
Xa, Nguyen Xuan
Viet Nam, Hanoi
National Institute of Malariology, Parasitology and Entomology Hanoi
Thieu, Nguyen Quang
Viet Nam, Hanoi
National Institute of Malariology, Parasitology and Entomology Hanoi
Hung, Lexuan
Viet Nam, Hanoi
National Institute of Malariology, Parasitology and Entomology Hanoi
Hung, Nguyenmanh
Viet Nam, Ho Chi Minh City
Institute of Malariology, Parasitology and Entomology
van Nam, Nguyenvan
Unknown Affiliation
Coosemans, Marc H.
Belgium, Antwerpen
Prins Leopold Instituut Voor Tropische Geneeskunde
D'Alessandro, Umberto
Belgium, Antwerpen
Prins Leopold Instituut Voor Tropische Geneeskunde
Statistics
Citations: 39
Authors: 9
Affiliations: 3
Identifiers
Doi:
10.1016/j.trstmh.2006.07.003
ISSN:
00359203
Research Areas
Health System And Policy
Infectious Diseases