| rapid assessment for prioritisation of trachoma control at community level in one district of the kaolack region, senegal. | the objective of this study was to use a modified lot quality assurance sampling methodology to classify communities according to prevalence of active trachoma and to estimate the prevalence of trachoma and trichiasis in nioro department, kaolack region, senegal. a survey was conducted using two-stage cluster sampling to select 50 children aged 2-5 years in each of 33 clusters. in total 1,648 children were examined for active trachoma. information on trachoma risk factors was collected through i ... | 2006 | 16253300 |