Le présent document accompagne le document d’orientation provisoire Renforcer la préparation à l’épidémie de COVID-19 dans les villes et autres milieux urbains, qui vient compléter le plan stratégique de préparation et de riposte et la mise à jour de la stratégie
Document d'orientation pour le personnel de santé
Conseils pour les parents de jeunes de 11 à 16 ans
5e édition remaniée, novembre 2016
Un meilleur état de santé pour toutes les personnes handicapées
WHO/CDS/TB/99.272
Distr.: General, Original: French
The World Health Organization (WHO) endorses the use of population-based prevalence surveys for estimating the prevalence of trachoma. In general, the prevalence of TF in children aged 1–9 years and the prevalence of TT in adults aged ≥ 15 years are measured at the same time in any district bein...g surveyed. This was the approach of the Global Trachoma Mapping Project, which undertook baseline surveys in > 1500 districts worldwide in order to provide the data required to start interventions where needed.
The survey design recommended by WHO is a two-stage cluster random sample survey, which uses probability proportional to size sampling to select 20–30 villages, and random, systematic or quasi-random sampling to select 25–30 households in each of those villages. In most surveys, everyone aged ≥ 1 year living in selected households is examined.
more