Asthma is the most common chronic disease in children, imposing a consistent burden on
health system. In recent years, prevalence of asthma symptoms became globally increased …

Introduction: Allergic diseases remain of concern due to their increasing prevalence
worldwide. Intrinsic and environmental risk factors have been implicated in the pathogenesis …

Background Acquisition of the intestinal microbiota in early life corresponds with the
development of the mucosal immune system. Recent work on caesarean-delivered infants …

Objectives. This study investigates the distribution pattern of asthma symptom prevalence in
Latin American children aged 13–14 years. Methods. A randomized, cross-sectional and …

Abstract Background: Immigrants to Westernized countries adopt the prevalence of allergic
diseases of native populations, yet no data are available on immigrants to low-income or low …

The objectives of this study were to determine the prevalence of asthma, atopy and COPD in
Rwanda and to identify risk factors. The survey was conducted in Kigali, the Capital of …

Background: Studies of the prevalence of asthma among migrating populations may help in
identifying environmental risk factors. Methods: We analyzed data from Vancouver, Canada …

Objective To examine the birth and health outcomes of children migrating with parents
internationally and domestically, and to identify whether the healthy migration effect exist in …

Data on asthma aetiology in Africa are scarce. We investigated the risk factors for asthma
among schoolchildren (5–17 years) in urban Uganda. We conducted a case-control study …

BACKGROUND: Immigrants to developed countries have low rates of aeroallergen
sensitization and asthma, but less is known about both food allergy and the role of parental …