Environmental Research Letters
Microplastic debris floating at the ocean surface can harm marine life. Understanding the severity of this harm requires knowledge of plastic abundance and distributions. Dozens of expeditions measuring microplastics have been carried out since the 1970s, but they ha...ve primarily focused on the North Atlantic and North Pacific accumulation zones, with much sparser coverage elsewhere. Here, we use the largest dataset of microplastic measurements assembled to date to assess the confidence we can have in global estimates of microplastic abundance and mass. We use a rigorous statistical framework to standardize a global dataset of plastic marine debris measured using surface-trawling plankton nets and coupled this with three different ocean circulation models to spatially interpolate the observations. Our estimates show that the accumulated number of microplastic particles in 2014 ranges from 15 to 51 trillion particles, weighing between 93 and 236 thousand metric tons, which is only approximately 1% of global plastic waste estimated to enter the ocean in the year 2010. These estimates are larger than previous global estimates, but vary widely because the scarcity of data in most of the world ocean, differences in model formulations, and fundamental knowledge gaps in the sources, transformations and fates of microplastics in the ocean.
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The purpose of this manual is to provide a resource for training to increase understanding of Health in All Policies (HiAP) by health and other professionals. It is anticipated that the material in this manual will form the basis of two- or three-day workshops, which will:
• Bu...ild capacity to promote, implement and evaluate HiAP;
• Encourage engagement and collaboration across sectors;
• Facilitate the exchange of experiences and lessons learned;
• Promote regional and global collaboration on HiAP; and
• Promote dissemination of skills to develop training courses for trainers.
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In 2005, the World Health Organization (WHO) Member States adopted the revised International
Health Regulations (IHR) (2005). The Regulations provide a unique public health framework in the
form of obligations and recommendations that enable countries to better p...revent, prepare for and
respond to public health events and emergencies of potential international concern, including chemical events.
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How safe is our hospital sanitation? An example from a public hospital
This document aims to assist policy‑makers, health care providers and researchers to understand key concepts in health ethics and to identify basic ethical questions surrounding health and health care. It illustrates the challenges of applying ethical principles to global public health and outline...s practical strategies for dealing with those challenges.
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The intention of this document is to clarify and outline the steps to effective cholera surveillance. It discusses when,
where and why surveillance for cholera is needed and how to establish a useful and cost-effective surveillance
system for cholera. To make comments, corrections and additions,... please contact the authors at stopchol@jhsph.
edu or jhsph.stopchol@jhu.edu.
Check also: DOVE Project www.stopcholera.org
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Interim emergency guidelines
Early childhood matters.
This document looks at specific issues regarding the development of young children, in particular from a psychosocial perspective. It is published twice per year by the Bernard van Leer Foundation. The views expressed in Early Childhood Matters are those of the authors and... do not necessarily reflect those of the Bernard van Leer Foundation.
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The recommendations in these guidelines promote the use of simple, non-invasive diagnostic tests to assess the stage of liver disease and eligibility for treatment; prioritize treatment for those with most advanced liver disease and at greatest risk of mortality; and recommend the preferred use of n...ucleos(t)ide analogues with a high barrier to drug resistance (tenofovir and entecavir, and entecavir in children aged 2–11 years) for first- and second-line treatment. Recommendations for the treatment of HBV/HIV-coinfected persons are based on the WHO 2013 Consolidated guidelines on the use of antiretroviral drugs for treating and preventing HIV infection, which will be updated in 2015.
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WHO would like to express its gratitude and appreciation to all Member States that provided information to the WHO survey on policies and activities at the national level in the area of antimicrobial resistance. The contribution of staff in WHO Regional and Country Offices has been invaluable: in ga...ther-ing original data and information from Member States, in supporting the process of aggregation of these data; and in reviewing the regional analysis of the findings that reflect the country situation at the point when the survey was conducted. The support and commitment of the members of the WHO Task Force on Antimicrobial Resistance, comprising WHO staff from Headquarters and Regional Offices has, is also acknowledged.
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This is one of seven Medical Peace Work cases.
Summary of lessons learned
Self-imposed quarantine has proved less problematic.
The timely and reliable delivery of resources (e.g. food/water) and expertise (e.g. contact tracing/safe and dignified burials) is essential to ensure cooperation and deter quarantine violation.
The commun...ities’ understanding of the benefits of quarantine and its role in stopping the outbreak is essential.
Coercion is counterproductive.
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