Environmental Research Volume 151, November 2016, Pages 115-123
Dengue is the world’s most important arboviral disease in terms of number of people affected. Over the past 50 years, incidence increased 30-fold: there were approximately 390 million infections in 2010. Globalization, trade, travel,... demographic trends, and warming temperatures are associated with the recent spread of the primary vectors Aedes aegypti and Aedes albopictus and of dengue. Overall, models project that new geographic areas along the fringe of current geographic ranges for Aedes will become environmentally suitable for the mosquito’s lifecycle, and for dengue transmission. Many endemic countries where dengue is likely to spread further have underdeveloped health systems, increasing the substantial challenges of disease prevention and control. Control focuses on management of Aedes, although these efforts have typically had limited effectiveness in preventing outbreaks. New prevention and control efforts are needed to counter the potential consequences of climate change on the geographic range and incidence of dengue, including novel methods of vector control and dengue vaccines.
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Background
Asthma remains highly prevalent, with more severe symptoms in low-income to middle-income countries (LMICs) compared with high-income countries. Identifying risk factors for severe asthma symptoms can assist with improving outcomes. We aimed to determine the prevalence, severity and ris...k factors for asthma in adolescents in an LMIC.
Methods
A cross-sectional survey using the Global Asthma Network written and video questionnaires was conducted in adolescents aged 13 and 14 from randomly selected schools in Durban, South Africa, between May 2019 and June 2021.
Results
A total of 3957 adolescents (51.9% female) were included. The prevalence of lifetime, current and severe asthma was 24.6%, 13.7% and 9.1%, respectively. Of those with current and severe asthma symptoms; 38.9% (n=211/543) and 40.7% (n=147/361) had doctor-diagnosed asthma; of these, 72.0% (n=152/211) and 70.7% (n=104/147), respectively, reported using inhaled medication in the last 12 months. Short-acting beta agonists (80.4%) were more commonly used than inhaled corticosteroids (13.7%). Severe asthma was associated with: fee-paying school quintile (adjusted OR (CI)): 1.78 (1.27 to 2.48), overweight (1.60 (1.15 to 2.22)), exposure to traffic pollution (1.42 (1.11 to 1.82)), tobacco smoking (2.06 (1.15 to 3.68)), rhinoconjunctivitis (3.62 (2.80 to 4.67)) and eczema (2.24 (1.59 to 3.14)), all p<0.01.
Conclusion
Asthma prevalence in this population (13.7%) is higher than the global average (10.4%). Although common, severe asthma symptoms are underdiagnosed and associated with atopy, environmental and lifestyle factors. Equitable access to affordable essential controller inhaled medicines addressing the disproportionate burden of asthma is needed in this setting.
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The number of new Ebola infections in Sierra Leone is declining, despite the outbreak continuing to claim lives. New cases have dropped to around 9-12 per week, according to recent WHO figures. There were over 500 cases per week at the height of the crisis around late November 2014.
The impact on t...he lives of the thousands of people directly affected by the disease has been devastating. It has caused substantial suffering to many others, leaving the population very vulnerable.
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This report addresses the future of basic education, ICT use in deprived locations, and the use of ICTs in primary school learning in 2020 and 2025, especially in deprived contexts. It draws on research evidence from the literature, the authors’ experiences of ICT use in education initiatives, int...erviews with practitioners and academics, a workshop, and consultations with Save the Children staff from many different countries, mostly conducted in August 2017
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These guidelines – an update to the World Health Organization’s 2015 publication Consolidated strategic information guidelines – present a set of essential aggregate indicators and guidance on choosing, collecting and systematically analysing strategic information to manage and monitor the nat...ional health sector response to HIV.
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Children's Health and the Environment WHO Training Package for the Health Sector World Health Organization
This UNAIDS 2024 report brings together new data and case studies which demonstrate that the decisions and policy choices taken by world leaders this year will decide the fate of millions of lives and whether the world’s deadliest pandemic is overcome.
For each medicine the Formulary provides information on use, dosage, adverse effects, contraindications and warnings, supplemented by guidance on selecting the right medicine for a range of conditions
Tackling Tuberculosis in Under-Served Populations: A Resource for TB Control Boards and their partners
An historic opportunity to end AIDS as a public health threat by 2030 and launch a new era of sustainability
A decade of progress has inspired the once unthinkable—that the AIDS epidemic can be ended as a public health threat. The global community has embraced the bold idea to end the AIDS ep...idemic as a target of the 2030 Agenda for Sustainable Development. Governments from around the world have committed to a Fast-Track agenda and a set of ambitious but attainable milestones to be achieved by 2020 in order to end the AIDS epidemic by 2030, as set out in the United Nations General Assembly Political Declaration on Ending AIDS. Regular reporting through UNAIDS reinforces accountability for results.
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The Need for a Regional Response to an Unprecedented Migration Crisis.
This report provides an overview of where the more than 2 million Venezuelans who have left the country since 2014, at least half of them in the past year and a half alone, are now living, the conditions they face, their prospe...cts of obtaining legal status in the host countries, and applicable international standards that should guide host governments’ responses.
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Broken Links: Psychosocial support for people separated from family members (Training
module) and the corresponding Broken Links field guide are designed to support staff and
volunteers in a wide range of settings where they may be in contact with families who have
been separated from their loved... ones. The field guide and the training module outline the
causes and consequences of being separated from family members, as well as the types of
contact staff and volunteers might have with families affected by separation.
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Regular physical activity is proven to help prevent and treat noncommunicable diseases (NCDs) such as heart disease, stroke, diabetes and breast and colon cancer. It also helps to prevent hypertension, overweight and obesity and can improve mental health, quality of life
and well-being.
Standard Operating Procedures for Implementation of TB Activities at HIV/AIDS Service Delivery Sites
Supplement October 2010
HIV/AIDS, security and conflict: making the connections