The arrival and rapid spread of the mosquito-borne viral disease Chikungunya across the Americas is one of the most significant public health developments of recent years, preceding and mirroring the subsequent spread of Zika. Globalization in trade and travel can lead to the importation of these vi...ruses, but climatic conditions strongly affect the efficiency of transmission in local settings. In order to direct preparedness for future outbreaks, it is necessary to anticipate global regions that could become suitable for Chikungunya transmission. Here, we present global correlative niche models for autochthonous Chikungunya transmission. These models were used as the basis for projections under the representative concentration pathway (RCP) 4.5 and 8.5 climate change scenarios. In a further step, hazard maps, which account for population densities, were produced. The baseline models successfully delineate current areas of active Chikungunya transmission. Projections under the RCP 4.5 and 8.5 scenarios suggest the likelihood of expansion of transmission-suitable areas in many parts of the world, including China, sub-Saharan Africa, South America, the United States and continental Europe. The models presented here can be used to inform public health preparedness planning in a highly interconnected world.
more
PNAS | March 4, 2014 | vol. 111 | no. 9
Malaria is an important disease that has a global distribution and significant health burden. The spatial limits of its distribution and seasonal activity are sensitive to climate factors, as well as the local capacity to control the disease. Malaria is also ...one of the few health outcomes that has been modeled by more than one research group and can therefore facilitate the first model intercomparison for health impacts under a future with climate change. We used bias-corrected temperature and rainfall simulations from the Coupled Model Intercomparison Project Phase 5 climate models to compare the metrics of five statistical and dynamical malaria impact models for three future time periods (2030s, 2050s, and 2080s). We evaluated three malaria outcome metrics at global and regional levels: climate suitability, additional population at risk and additional person-months at risk across the model outputs. The malaria projections were based on five different global climate models, each run under four emission scenarios (Representative Concentration Pathways, RCPs) and a single population projection. We also investigated the modeling uncertainty associated with future projections of populations at risk for malaria owing to climate change. Our findings show an overall global net increase in climate suitability and a net increase in the population at risk, but with large uncertainties. The model outputs indicate a net increase in the annual person-months at risk when comparing from RCP2.6 to RCP8.5 from the 2050s to the 2080s. The malaria outcome metrics were highly sensitive to the choice of malaria impact model, especially over the epidemic fringes of the malaria distribution.
more
Project Drawdown (2022) provides evidence of how climate solutions can also be win-win opportunities for meeting development and human well-being needs while boosting prosperity for rural communities in sub-Saharan Africa and South Asia. The report summarizes the co-benefits of five groups of a subs...et of Project Drawdown climate solutions (28 total solutions) for advancing human well-being in rural areas of low- and middle-income countries
more
Mass vaccination campaigns to prevent coronavirus disease 2019 (Covid-19) are occurring in many countries; estimates of vaccine effectiveness are urgently needed
to support decision making. A countrywide mass vaccination campaign with the
use of an inactivated severe acute respiratory syndrome c...oronavirus 2 (SARS-CoV-2)
vaccine (CoronaVac) was conducted in Chile starting on February 2, 2021.
more
Screening programmes for tuberculosis (TB) among immigrants rarely consider the heterogeneity of
risk related to migrants’ country of origin. We assess the performance of a large screening programme in asylum seekers by analysing (i) the difference in yield and numbers needed to screen (NNS) by c...ountry and WHO-reported TB burden, (ii) the possible impact of screening thresholds on sensitivity, and (iii) the value of WHO-estimated TB burden to improve the prediction accuracy of screening yield.
more
As the world recovers from the shock of the COVID-19 pandemic and reflects on lessons learnt from failure of global public health systems to contain the global outbreak of SARS-CoV-2, new infectious disease threats, caused by movement of people globally, remain omnipresent, and repeated calls for mo...re proactive action go unheeded. This is aptly shown by the unprecedented and unexpected outbreaks of human monkeypox cases and clusters since May 7, 2022, across Europe, the Americas, and Australia,
which yet again, have taken global public authorities by surprise.
more
This document provides an overview of key considerations for the provision of the HIV continuum of care in the context of displaced people from Ukraine in the EU/EEA. This document has two aims: firstly, to outline what is known of the Ukrainian HIV epidemic, and secondly, to use the HIV continuum o...f care as a framework to set out suggestions based on published evidence and expert opinion on the management of the HIV continuum of care, with special consideration for people living with HIV from Ukraine. The document will also address the needs of those at risk of acquiring HIV. The main findings of this document were presented during an ECDC webinar, ‘Key considerations on the continuum of HIV care for refugees from Ukraine,’ hosted on 19 May 2022.
more
In September 2021, the UN and its partners presented a response plan to mitigate the impact of the water crisis in northern and north-east Syria which requested US$200 million to assist up to 3.4 million of the over five million people estimated to be affected by the water crisis in northern Syria b...etween September 2021 and February 2022. Under the auspices of the 2022-2023 Syria Humanitarian Response Plan, this updated water response plan presents the most recent needs based on latest forecasts and is a continuation of the earlier plan presented in 2021. It covers the needs from all response modalities/areas1 for Syria, aims to assist 5 million people until December 2022 and requests $226.2 million.
more
This Strategic Operating Framework (SOF) has been developed to guide WASH Sector partners in responding to humanitarian needs in Sudan in conjunction with the existing and forthcoming humanitarian response plans (2022 and 2023). This SOF is drafted in consultation with the Strategic Advisory Group (...SAG) at the national level and will be revised as the humanitarian situation evolves in line with changes made to the WASH Cluster response plan and other guidance received by the SAG and the Technical Working Groups. However, by adhering to the cluster (Sector) approach, the partners agree to:
Assist the authorities in responding to the WASH needs of the population affected.
Promote a common understanding of the WASH sector needs and interventions in the response context among the WASH partners.
Ensure a well-coordinated response and consequently increase the efficiency, effectiveness, and impact of individual agency responses; and
Align towards common humanitarian principles and operational objectives.
Partners to conform to the broad operational framework outlined in this document. Agencies that breach these guidelines will be expected to provide clear justification to the WASH Sector and other WASH Sector partners through the SAG
more
This Trachoma Action Planning – a planning guide – is published by the
International Coalition for Trachoma Control at the request of the
World Health Organization Alliance for the Global Elimination of Trachoma
by 2020.
In 2011, ICTC developed a Trachoma Action Plan (TAP) planning guide to support national health officials in endemic countries. This resource was developed to complement the 2020 INSight roadmap by helping countries create specific national plans detailing how they will reach elimination targets in t...heir own particular contexts.
more
Mem Inst Oswaldo Cruz, Rio de Janeiro, Vol. 117: e200460, 2022
Integrating the multiple dimensions of the problem into a coherent approach adapted to field realities and needs represents an immense challenge, but the payoff is more effective and sustainable experiences, with higher social awareness..., increased case detection and follow-up, improved adherence to care, and integrated participation of various actors from multiple action levels. Information, Education, and Communication (IEC) initiatives have great potential for impact in the implementation of multidimensional programs of prevention and control successfully customised to the diverse and complex contexts where Chagas disease persists.
more
Chagas is a parasitic disease that affects over 6 million people in the
world. As the disease typically remains asymptomatic for years, new cases
often go unnoticed and unreported, and most people with the disease
are unaware of their condition. Less than 10% of people affected are
diagnosed and... the vast majority do not receive the treatment they need.
If not treated, Chagas may cause irreversible, life-threatening damage to
the heart and other vital organs.
more
In the Indian state of Bihar, visceral leishmaniasis (VL) is a major public health issue that has been aggravated by the rising incidence of new Human immunodeficiency virus (HIV) infections. In endemic areas, the risk of VL infections in patients living with HIV (PLHIV) is higher. It is important t...o investigate the disease-related knowledge, attitude, and practices (KAP) of PLHIV in Bihar in order to monitor HIV/VL co-infection. Adequate knowledge, a positive attitude, and good practices for VL control are essential to stamp out the disease. This study investigated the KAP towards VL in HIV patients attending antiretroviral therapy (ART) clinic at ICMR-RMRIMS, Patna.
more
A study set out to investigate the factors affecting the prevalence of the practice among cross-border communities in East Africa and the Horn of Africa and the extent to which people cross borders to practise or undergo FGM and the effects of the practice on the women and girls in those communities.... Changes were found in social norms in the cross-border communities investigated, indicating that the practice of female genital mutilation (FGM) can be eradicated. Effective interventions to end FGM need to be tailored to communities’ belief systems if they are to be “owned” by and mobilize the communities to change their culture. This report summarises the findings.
more
Human African trypanosomiasis (HAT), or sleeping sickness, is an endemic disease in 36 sub-Saharan African countries, typically occurring in underdeveloped areas, where
health systems face significant difficulties of diverse natures.
In October 2022, President Biden signed the Global Malnutrition Prevention and Treatment Act (GMPTA) into law, which directs USAID to prevent and treat malnutrition globally. The GMPTA further codifies USAID’s leadership on nutrition, with a focus on evidence-based interventions across health syst...ems and food systems, in both development and humanitarian settings.
Realizing the potential of good nutrition to save lives and ensure a brighter future for generations to come is central to U.S. Government priorities. For over 60 years, USAID has been a leader in the fight to end global malnutrition. Nutrition affects every aspect of human development: from the ability to fight disease, to children’s performance in school, to a nation’s health and economic advancement. There is overwhelming evidence of the power of good nutrition but, due to challenges in accessing safe, nutritious foods and health and sanitation services, many people in low- and middle-income countries remain undernourished.
more
In 2019, the Global Fund’s 6th Replenishment raised more than $USD14 billion to fight HIV, Tuberculosis and Malaria. Just two years later, the world has changed significantly. Put simply: COVID-19 devastated prevention and treatment programs. For the first time since the Global Fund’s founding, ...in 2020 the world lost ground in the fight against HIV, Tuberculosis and Malaria.
The Global Fund moved quickly to support countries to respond to COVID-19 and its impact on the three diseases, repurposing and leveraging additional funding to support urgent needs and adapt programs. Despite those efforts, the need for action to resume progress in the fight against HIV, TB and malaria has never been greater.
The world faces a choice.
more
Heart failure with a reduced ejection fraction (HFrEF) is a condition frequently encountered by healthcare professionals and, in order to achieve the best outcomes for patients, needs to be managed optimally. This guideline document is based on the European Society of Cardiology Guidelines for the t...reatment of acute and chronic heart failure published in 2016, and summarises what is considered the best current management of patients with the condition. It provides information on the definition, diagnosis and epidemiology of HFrEF in the African context. The best evidence-based treatments for HFrEF are discussed, including established therapies (beta-blockers, ACE-i/ARBs, mineralocorticoid receptor antagonists (MRAs), diuretics) that form the cornerstone of heart failure management as well as therapies that have only recently entered clinical use (angiotensin receptor-neprilysin inhibitor (ARNI), sodium/glucose cotransporter-2 (SGLT2) inhibitors). Guidance is offered in terms of more invasive therapies (revascularisation, implantable cardioverter defibrillators (ICDs) and cardiac resynchronisation therapy (CRT) by implantation of a biventricular pacemaker with (CRT-D) or without (CRT-P) an ICD, left ventricular assist device (LVAD) use and heart transplantation) in order to ensure efficient use of these expensive treatment modalities in a resourcelimited environment. Furthermore, additional therapies (digoxin, hydralazine and nitrates, ivabradine, iron supplementation) are discussed and advice is provided on general preventive strategies (vaccinations). Sections to discuss conditions that are particularly prevalent in sub-Saharan Africa (HIV-associated cardiomyopathy (CMO), peripartum CMO, rheumatic heart disease, atrial fibrillation) have been added to further improve clinical care for these commonly encountered disease processes.
more
In 2012, all Member States of the World Health Organization (WHO) endorsed a historical target to reduce premature mortality from noncommunicable diseases
(NCD). This commitment was echoed in 2015 by the United Nations Sustainable Development Goals, which included a target to reduce premature morta...lity (the
measure of unfulfilled life expectancy and deaths between the ages of 30 and 70 years) from NCD by 30% by the year 2030. The Sustainable Development Goals are especially relevant to cardiovascular disease (CVD), the leading cause of death globally, with increasing prevalence in low- and middle-income countries (LMIC).
more