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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Dengue Fever & What You Need to Know, including Pathophysiology, Symptoms, Diagnosis & Treatment. Dengue fever is a viral infection with potentially fatal consequences. In this lesson, we discuss how people are infected with Dengue fever, pathophysiology of the condition, along with phases of infect...ion, signs and symptoms, diagnosis, treatment, preventative methods (vaccines, mosquito repellent).
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Health communication has proven to play a crucial role in addressing diseases such as dengue, Zika and chikungunya, for which there are no definitive or easily accessible vaccines. In this context, this discipline becomes a fundamental tool to promote the change behavior and promote preventive pract...ices that reduce the transmission of these diseases. By not having a definitive medical solution, accurate and timely information, effectively disseminated through educational campaigns, media and communication channels public health, can significantly influence individual and community actions to control the spread of these mosquito-borne viruses. The accumulated research around the threat of the aforementioned arboviral diseases brings together a series of recommendations around specific communication activities, such as disseminating timely and accurate information that integrates public health concerns and the needs of information of the population, especially vulnerable groups such as women of childbearing age, pregnant women and health workers.
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167,607 dengue cases, including 720 deaths, reported from 1 January to 27 July 2019: 97% higher than in 2018, in spite of a delayed rainy season.
Case Fatality Rate (CFR) of 0.43% as of 27 July 2019 is lower than in the same time period in 2018 (0.54%), but still significantly higher than the reg...ional average of 0.22% in the Western Pacific.
The Philippines Department of Health (DOH) declared a National Dengue Epidemic on 6 August 2019, urging all regional DOH offices to step up dengue surveillance, case management and outbreak re-sponse, clean-up drives, and vector control in health facilities and communities, conduct Sabayang 4-O’Clock Habit Para sa Deng-Get Out focusing on search and destroy of mosquito breeding sites, and to enable LGUs to use their quick response funds to help address the epidemic.
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The conditionality of this recommendation is largely driven by the current higher unit cost of pyrethroid-PBO ITNs compared
to pyrethroid-only LLINs and therefore the uncertainty of their cost-effectiveness. Furthermore, as PBO is less wash-resistant
than pyrethroids, its bioavailability declines ...faster over the three-year estimated life of an ITN; therefore, the added impact of
pyrethroid-PBO ITNs over that of pyrethroid-only LLINs may decline over time. The evidence comes from two sites in
eastern Africa with pyrethroid resistance and not from other geographies where transmission levels and vector characteristics
may vary. PBO acts by inhibiting certain metabolic enzymes, primarily oxidases, and so are likely to provide greater protection
than pyrethroid-only LLINs where mosquitoes display mono-oxygenase-based insecticide resistance mechanisms.
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Indoor residual spraying (IRS) involves applying residual insecticide to potential vector resting sites on the interior surfaces of human dwellings or other buildings. The main aim of IRS is to kill vectors before they are able to transmit pathogens to humans. When carried out correctly, IRS has his...torically been shown to be a powerful intervention to reduce adult vector density and longevity for mosquitoes, sand flies and triatomine bugs and can reduce the transmission of vector-borne diseases.
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The article "Malaria – MSD Manual Professional Edition" provides a comprehensive overview of malaria, an infection caused by Plasmodium species. It describes symptoms such as fever, chills, and anemia, explains diagnostic methods like parasite detection in blood smears, and discusses treatment opt...ions including artemisinin-based combination therapies. In addition, it outlines prevention strategies such as medical prophylaxis and mosquito control measures. The article is intended for medical professionals and offers detailed information on the pathophysiology, clinical presentation, and management of malaria.
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The document WHA70.16, adopted during the 70th World Health Assembly, outlines a global strategy for an integrated response to vector-borne diseases. It emphasizes the urgent need to strengthen national and global capacities for vector control amid rising threats such as insecticide resistance, clim...ate change, and the spread of vectors like mosquitoes. Member States are urged to align their national strategies with WHO’s integrated approach, improve surveillance, promote research, and ensure cross-sector and cross-border collaboration. The WHO Director-General is requested to provide technical support, promote innovation, and monitor progress, with regular updates to future World Health Assemblies.
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This selection of online courses provides a comprehensive education in malaria and related infectious diseases, set within the broader frameworks of global health and epidemiology. Courses such as the Global Disease Masterclass and Immunology: The Immune System and Infectious Diseases (both offered ...by Imperial College London on Coursera), explore malaria alongside diseases such as HIV, tuberculosis and emerging infections. Spanning several weeks, they provide insights into disease dynamics, immune responses, and public health interventions, and are suitable for learners from beginner to intermediate levels.
Specialised courses such as 'Medical Entomology' from the Institut Pasteur focus on mosquito vectors and parasite transmission, which are critical to malaria control. Additionally, French-language courses such as 'Le paludisme' from Aix-Marseille Université offer in-depth knowledge of malaria biology, prevention and treatment strategies.
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This comic book is an educational resource designed to raise awareness of malaria prevention among young people in Burundi. Employing a narrative approach, it features characters who demonstrate key preventive behaviours, such as using insecticide-treated nets, eliminating mosquito breeding sites an...d seeking timely medical treatment. Serving as a tool for community health education, the comic book aims to foster behavioural change and empower children to act as agents of malaria prevention within their families and communities.
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This document, issued by the United Nations Medical Directors in July 2021, outlines vaccination and malaria prophylaxis recommendations for UN personnel travelling on official business and UN healthcare workers. The guidance aims to minimise the risk of vaccine-preventable diseases and malaria by f...ocusing on three key areas:(1) routine vaccines, such as those for influenza, measles, polio, hepatitis B, varicella and SARS-CoV-2 (the virus that causes the disease known as 'Covid-19'), which are recommended for all staff regardless of their destination;
(2) destination-based measures, including mandatory vaccines (e.g. yellow fever, meningitis and polio), recommended vaccines depending on regional risks (e.g. cholera, typhoid, hepatitis A and rabies) and WHO-advised malaria prevention through mosquito protection and chemoprophylaxis. The third area covers vaccines for healthcare workers with direct patient or laboratory exposure, including hepatitis B, influenza, diphtheria, pertussis and others. The recommendations emphasise the importance of pre-travel medical consultations, adherence to host country requirements, and individualised risk assessments.
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Pregnant travelers face numerous risks, notably increased susceptibility to or severity of multiple infections, including malaria. Because pregnant women residing in areas non-endemic for malaria are unlikely to have protective immunity, travel to endemic areas poses risk of severe illness and pregn...ancy complications, such as low birthweight and fetal loss. If travel to malaria-endemic areas cannot be avoided, preventive measures are critical. However, malaria chemoprophylaxis in pregnancy can be challenging, since commonly used regimens have varying levels of safety data and national guidelines differ. Furthermore, although chloroquine and mefloquine have wide acceptance for use in pregnancy, regional malaria resistance and non-pregnancy contraindications limit their use. Mosquito repellents, including N,N-diethyl-m-toluamide (DEET) and permethrin treatment of clothing, are considered safe in pregnancy and important to prevent malaria as well as other arthropod-borne infections such as Zika virus infection. Pregnant travelers at risk for malaria exposure should be advised to seek medical attention immediately if any symptoms of illness, particularly fever, develop.
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Malaria is an infection caused by Plasmodium species endemic to most parts of Africa, South America, East Asia, and parts of Europe and the Middle East. At least 10 to 30 thousand of the 125 million travelers to these areas are infected each year. All visitors to endemic areas should receive counsel...ing on malaria risk, mosquito bite avoidance, and tailored chemoprophylaxis based on their medical histories and travel plans. This activity reviews the evaluation and management of chemoprophylaxis of malaria and highlights the role of the healthcare team in improving care for patients with potential exposure to this condition.
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La página titulada «Paludismo» en el sitio de las Guías médicas de Médicos Sin Fronteras (MSF) proporciona directrices clínicas detalladas para el diagnóstico, tratamiento y prevención del paludismo, especialmente en contextos humanitarios y en zonas con recursos limitados. Describe las dis...tintas especies de Plasmodium responsables de la enfermedad, los síntomas clínicos asociados a las formas simples y graves, los métodos de diagnóstico como las pruebas rápidas y la microscopía, así como los protocolos terapéuticos adaptados a cada situación, incluidos los destinados a poblaciones vulnerables como los niños y las mujeres embarazadas. La página también aborda estrategias de prevención, en particular el uso de mosquiteros impregnados con insecticida y la quimioprevención estacional en zonas de alta transmisión. Estas recomendaciones se basan en las directrices de la Organización Mundial de la Salud (OMS) y en la experiencia de MSF sobre el terreno.
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There is a broad consensus nowadays that the Earth is warming up as a result of greenhouse gas emissions caused by anthropogenic activities. It is also clear that current trends in the fields of energy, development and population growth will lead to continuous and ever more dramatic climate change. ...This is bound to affect the fundamental prerequisites for maintaining good health: clean air and water, sufficient food and adequate housing. The planet will warm up gradually, but the consequences of the extreme weather conditions such as frequent
storms, floods, droughts and heat-waves will have sudden onset and acute repercussions. It is widely accepted that climate change will have an impact on the spread of infectious diseases in Europe, which is likely to bring about new public health risks in the majority of cases. Transmission of infectious diseases depends on a number of factors, including climate and environmental elements. Foodborne and waterborne diseases, for instance, are associated with high temperatures. Disease-transmitting vectors (e.g. mosquitoes, sandflies and ticks) are highly sensitive to climate conditions, including temperature and humidity; their geographical distribution will widen as climate conditions change, potentially allowing them to spread into regions where they are not currently able to live.
The primary purpose of this manual on climate change and infectious diseases is to raise the awareness and the level of knowledge of health workers at national, regional and local levels in the former Yugoslav Republic of Macedonia on the health risks associated with climate change and infectious diseases. This manual was devel-
oped as part of the WHO Regional Office for Europe project, Protecting health from climate change: a seven–country initiative, implemented with financial support from the German Federal Ministry for the Environment, Nature Conservation and Nuclear Safety.
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Depending on the health profile of the traveller, the type of travel to be undertaken, and the place of transit and destination, travellers may face various health risks during travel. The International travel and health collection is an update of International travel and health (2012) and serves as... an entry point for other World Health Organization (WHO) publications that provide further information. Its primary target audience is travel health practitioners and travel health professionals, who provide health advice to travellers on appropriate precautions to be taken to minimize any travel-related health risks in unfamiliar environments, before, during and after travel. The guidance may also be of interest to health authorities who intend to support travel health professionals in their jurisdiction or develop
health advice for their population. It may also be of interest to travellers who wish to obtain such information for themselves as well as those working in the travel industry, such as agents and organizers, airlines and shipping companies.
Module 3 outlines the clinical features, geographical distribution and chemoprophylaxis against malaria, as well as personal protection measures against mosquitoes that travellers should take during their journey and at destinations, and treatment for those who are infected.
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Bug bites are irritating, and some can be harmful. Learn to identify the type of bug bite and when to seek emergency medical care.
Key Malaria Indicators from the 2017 Rwanda Malaria Indicator Survey - The table in this key indicator report provides estimates of key indicators for the country as a whole and for each of the five provinces in Rwanda.
La leishmaniasis es un problema creciente de salud pública en el contextomundial. En Colombia, la situación es de alarma debido al incremento de casos de leishmaniasis cutánea que se viene registrando desde 2003 y el cambio en el patrón epidemiológico dado por la aparición de nuevos focos, el ...proceso cre-ciente de domiciliación y urbanización del ciclo de transmisión.
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