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Modelling the effects of global climate change on Chikungunya transmission in the 21st century

Tjaden, N.B.; J.E. Suk, D. Fischer et al. Nature Scientific Reports (2017) CC

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

Current Zika Product Pipeline

World Health Organization (2016) C_WHO

3 March 2016

Entomological surveillance for Aedes spp. in the context of Zika virus

World Health Organization (2016) C_WHO

Interim guidance for entomologists. This document describes selected sampling methods that can be used to conduct surveillance of Aedes mosquitoes, pupae and oviposition. It is intended for qualified entomologists at national and sub-national level who are responsible for the surveillance of local ... Aedes populations. more

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Zika Virus Resource Center

Elsevier (2016) CC

In view of the global concern overthe outbreak of the Zika virus, both Elsevier and The Lancet have created a Zika Virus Resource Center on Elsevier Connect with the latest updates, research, reviews, editorials, correspondence and comentary to help healthcare professionals, medical researchers and ... the public understand the outbreak. Both info centers are advised by clinicians and professional editors and will be updated with the most current research and evidence-based information available more

Vector control operations framework for Zika virus

World Health Organization WHO (2016) C_WHO

Zika virus is primarily transmitted by the Aedes species of mosquito which is also responsible for the spread of dengue, Chikungunya and yellow fever viruses. In most areas, the primary vector of these viruses is Aedes aegypti, with Aedes albopictus a proven or potential vector in some settings. Wel ... l-implemented vector control against Aedes using existing tools effectively reduces the transmission of viruses spread by these vectors. Pilot studies are being undertaken on new tools which have potential for future reductions in Aedes populations more

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The 2021 report of the Lancet Countdown on health and climate change: code red for a healthy future

Romanello M., McGushin A., et al. (2021) C2

The Lancet Countdown is an international collaboration that independently monitors the health consequences of a changing climate. Publishing updated, new, and improved indicators each year, the Lancet Countdown represents the consensus of leading researchers from 43 academic institutions and UN ag ... encies. The 44 indicators of this report expose an unabated rise in the health impacts of climate change and the current health consequences of the delayed and inconsistent response of countries around the globe—providing a clear imperative for accelerated action that puts the health of people and planet above all else.The 2021 report coincides with the UN Framework Convention on Climate Change 26th Conference of the Parties (COP26), at which countries are facing pressure to realise the ambition of the Paris Agreement to keep the global average temperature rise to 1·5°C and to mobilise the financial resources required for all countries to have an effective climate response. These negotiations unfold in the context of the COVID-19 pandemic—a global health crisis that has claimed millions of lives, affected livelihoods and communities around the globe, and exposed deep fissures and inequities in the world’s capacity to cope with, and respond to, health emergencies. Yet, in its response to both crises, the world is faced with an unprecedented opportunity to ensure a healthy future for all. more