نتایج جستجو برای: multiple coverage levels
تعداد نتایج: 1679159 فیلتر نتایج به سال:
BACKGROUND The reported coverage rates of first and second doses of measles containing vaccine (MCV) are almost 95% in China, while measles cases are constantly being reported. This study evaluated the vaccine coverage, timeliness, and barriers to immunization of MCV1 and MCV2 in children aged from 8-48 months. METHODS We assessed 718 children aged 8-48 months, of which 499 children aged 18-4...
این رساله به بررسی دو حالت متفاوت مسئله پوشش کامل هدف در شبکه های حسگر بصری پرداخته است. هدف هر دو مسئله بیشینه کردن طول عمر شبکه می باشد. درحالت اول مسئله یعنی پوشش بصری اهداف (visual target coverage -vtc) راه حلی برای قرارگیری بهینه حسگرها در منطقه مورد نظر بدون در نظر گرفتن اتصال بین حسگرها برای یک شبکه همگن حسگر بصری پیشنهاد شده است. در حالت دوم مسئله به نام پوشش پیوسته بصری اهداف(connected...
the present study was concerned with exploring the frequency and linguistic focus of corrective feedback types given by novice and experienced female teachers working with young learners and compared it with those of elementary classes for adults. moreover, it aimed at measuring learners’ acknowledgement of teachers’ corrective feedback in the form of uptake in relation to linguistic coverage o...
abstract the present study deals with a comparison between reactive and pre-emptive focus-on-form in terms of application and efficiency. it was conducted in an intermediate english class in shahroud. 15 male learners participated in this research and their age ranged from 18 to 25. a course book, new interchange 3, and a complementary book were used. every session the learners gave lectures o...
Background Military conflict has been an ongoing determinant of inequitable immunisation coverage in many low- and middle-income countries, yet the impact of conflict on the attainment of global health goals has not been fully addressed. This review will describe and analyse the association between conflict, immunisation coverage and vaccine-preventable disease (VPD) outbreaks, along with...
OBJECTIVES To evaluate whether immunization data collected on a child's entry into kindergarten, i.e., Chicago Public School Immunization Data (PSID), was comparable to coverage levels determined by the National Immunization Survey (NIS) and to use these data to identify community areas with consistently low immunization coverage. METHODS The Chicago Department of Public Health obtained four ...
BACKGROUND From 2005 through 2007, 3 vaccines were added to the adolescent vaccination schedule: tetanus-diphtheria-acellular pertussis (TdaP); meningococcal conjugate (MenACWY); and human papillomavirus (HPV) for girls. OBJECTIVE To assess implementation of new adolescent vaccination recommendations. METHODS Data from the 2006-2009 National Immunization Survey-Teen, an annual provider-veri...
1 Pan American Health Organization, Immunization Unit, Washington, D.C., United States of America (currently assigned to the Centers for Disease Control and Prevention, National Immunization Program, Global Immunization Division, Atlanta, Georgia, United States of America). Send correspondence to: Vance Dietz, Global Immunization Division, National Immunization Program, Centers for Disease Cont...
This study examines how board characteristics (gender, education, and age) size can impact corporate risk disclosure (CRD) in quantity coverage. research differs from previous studies because we use the newest COSO framework (2017) to measure CRD. We analyzed data using multiple regression analysis. The results show no relationship between composition of female directors both CRD coverage quant...
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