The prevalence of asthma and related symptoms in Middle East countries

Prevalence of hepatitis A across various countries in the Middle East, African and Eastern European countries

The Prevalence of Asthma Symptoms in Elementary and Middle School Students in Kurdistan Province, the West of Iran

Background Asthma is one of the most important childhood diseases in developing countries. The prevalence, mortality, and economic burden of the disease have taken a rising trend since 1960, and this increase was more marked in children. The presents study aimed to assess the prevalence of asthma symptoms diagnosed by International Study of Asthma and Allergies in Childhood (ISAAC) questionnair...

the evaluation of language related engagment and task related engagment with the purpose of investigating the effect of metatalk and task typology

abstract while task-based instruction is considered as the most effective way to learn a language in the related literature, it is oversimplified on various grounds. different variables may affect how students are engaged with not only the language but also with the task itself. the present study was conducted to investigate language and task related engagement on the basis of the task typolog...

prevalence of hepatitis a across various countries in the middle east, african and eastern european countries

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Prevalence of hepatitis A across various countries in the Middle East, African and Eastern European countries

Dear Editor, Hepatitis A virus (HAV) is highly contagious and causes liver disease that is symptomatic in more than 80% of adults besides children. The virus is widespread in all parts of the world and transmitted by the fecal-oral route (1). The infection is endemic in Africa except in South Africa. Moreover, Eastern Europe, Asia and Africa are at high risk of infection. Among the North Africa...