Use of Lot Quality Assurance Sampling (LQAS) to estimate vaccination coverage helps guide future vaccination efforts
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چکیده
منابع مشابه
Use of Lot Quality Assurance Sampling (LQAS) to estimate vaccination coverage helps guide future vaccination efforts.
Inadequate evaluation of vaccine coverage after mass vaccination campaigns, such as used in national measles control programmes, can lead to inappropriate public health responses. Overestimation of vaccination coverage may leave populations at risk, whilst underestimation can lead to unnecessary catch-up campaigns. The problem is more complex in large urban areas where vaccination coverage may ...
متن کاملEstimation of measles vaccination coverage using the Lot Quality Assurance Sampling (LQAS) method--Tamilnadu, India, 2002-2003.
INTRODUCTION As part of the global strategic plan to reduce the number of measles deaths in India, the state of Tamilnadu aims at > or =95% measles vaccination coverage. A study was conducted to measure overall coverage levels for the Poondi Primary Health Center (PPHC), a rural health-care facility in Tiruvallur District, and to determine whether any of the PPHC's six health subcenters had cov...
متن کاملCommentary: Understanding practical lot quality assurance sampling.
Lot Quality Assurance Sampling (LQAS) is a statistical method emanating from the brilliant work of Dodge and Romig, which, together with that of Shewhart, developed into what is known today as Statistical Quality Control. Since the 1980s, LQAS has transitioned into the health sciences and has gained considerable appeal in a wide range of applications. We disagree with the statement in the obloq...
متن کاملPerformance of small cluster surveys and the clustered LQAS design to estimate local-level vaccination coverage in Mali
UNLABELLED BACKGROUND Estimation of vaccination coverage at the local level is essential to identify communities that may require additional support. Cluster surveys can be used in resource-poor settings, when population figures are inaccurate. To be feasible, cluster samples need to be small, without losing robustness of results. The clustered LQAS (CLQAS) approach has been proposed as an a...
متن کاملUsing lot quality assurance sampling to improve immunization coverage in Bangladesh.
OBJECTIVE To determine areas of low vaccination coverage in five cities in Bangladesh (Chittagong, Dhaka, Khulna, Rajshahi, and Syedpur). METHODS Six studies using lot quality assurance sampling were conducted between 1995 and 1997 by Basic Support for Institutionalizing Child Survival and the Bangladesh National Expanded Programme on Immunization. FINDINGS BCG vaccination coverage was acce...
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ژورنال
عنوان ژورنال: Transactions of the Royal Society of Tropical Medicine and Hygiene
سال: 2008
ISSN: 0035-9203
DOI: 10.1016/j.trstmh.2007.10.015