Clustered lot quality assurance sampling: a tool to monitor immunization coverage rapidly during a national yellow fever and polio vaccination campaign in Cameroon, May 2009

We used the clustered lot quality assurance sampling (clustered-LQAS) technique to identify districts with low immunization coverage and guide mop-up actions during the last 4 days of a combined oral polio vaccine (OPV) and yellow fever (YF) vaccination campaign conducted in Cameroon in May 2009. We...

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Bibliographic Details
Published in:Epidemiology and infection 2012-01, Vol.140 (1), p.14-26
Main Authors: PEZZOLI, L., TCHIO, R., DZOSSA, A. D., NDJOMO, S., TAKEU, A., ANYA, B., TICHA, J., RONVEAUX, O., LEWIS, R. F.
Format: Article
Language:English
Subjects:
Arboviroses
Binomial distribution
Biological and medical sciences
Cameroon - epidemiology
Cluster Analysis
Epidemiology
Fever
Fundamental and applied biological sciences. Psychology
Human viral diseases
Humans
Immunization
Infectious diseases
Inks
Interviews as Topic
Lot Quality Assurance Sampling
Mass Vaccination - methods
Mass Vaccination - standards
Mass Vaccination - statistics & numerical data
Medical sciences
Microbiology
Oral poliovirus vaccine
Polio
Poliomyelitis
Poliomyelitis - prevention & control
Poliovirus Vaccine, Oral - administration & dosage
Poliovirus Vaccine, Oral - standards
Quality control
Random sampling
ROC Curve
Sample size
Simulation
Tropical viral diseases
Vaccination
Vaccines
Viral diseases
Viral diseases of the nervous system
Yellow fever
Yellow Fever - prevention & control
Yellow Fever Vaccine - administration & dosage
Yellow Fever Vaccine - standards
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Summary:We used the clustered lot quality assurance sampling (clustered-LQAS) technique to identify districts with low immunization coverage and guide mop-up actions during the last 4 days of a combined oral polio vaccine (OPV) and yellow fever (YF) vaccination campaign conducted in Cameroon in May 2009. We monitored 17 pre-selected districts at risk for low coverage. We designed LQAS plans to reject districts with YF vaccination coverage
ISSN:0950-2688
1469-4409
DOI:10.1017/S0950268811000331