Articles sur Zika

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Aedes aegypti mosquitoes, responsible for transmitting Zika. AP Photo/Felipe Dana

Why it’s so difficult for scientists to predict the next outbreak of a dangerous disease

In January, measles returned to the Pacific Northwest, while Ebola resurged in the Congo. It would take a lot more research for scientists to be able to stop threats like these in their tracks.
A female Anopheles stephensi mosquito bites a human to get a blood meal through its pointed proboscis. A droplet of blood is expelled from the abdomen after having engorged itself. Jim Gathany/Wikimedia Commons

Using gene drives to control wild mosquito populations and wipe out malaria

Researchers are exploring genetic forms of population control called gene drives that spread traits faster that happens naturally. The goal is to curb mosquito-borne diseases like malaria.
The mosquitoes that spread Japanese encephalitis are usually found in wetlands and drainage ditches, and will be out biting mostly at dawn and dusk. Bryon Lippincott/Flikr

What is Japanese encephalitis virus and how can I avoid it when I travel?

Japanese encephalitis virus is rare and doesn't usually cause symptoms. But in a small proportion of cases it can result in long-term neurological impairment and death.
More than 3.9 billion people live in regions where the Aedes aegypti mosquito is present. This species transmits Zika, dengue, chikungunya, and yellow fever. mycteria/Shutterstock.com

Genetically modified mosquitoes may be best weapon for curbing disease transmission

For several billion people mosquitoes are more than a nuisance -- they transmit deadly diseases. Now genetic modification may prove the most effective defense against the mosquito, preventing disease.
Congolese health workers prepare equipment before the launch of vaccination campaign against the deadly Ebola virus. REUTERS/Samuel Mambo

How the media falls short in reporting epidemics

A study of recent epidemics like Zika and Ebola suggests that the media may fail to tell the public what to do during an outbreak.
Psorophora ferox female, a potential vector for Madariaga virus. Photo taken on Heritage Island, Anacostia River, in Washington, D.C., June 30, 2012. Wikimedia Commons

As Venezuela’s public health system collapses, mosquito-borne viruses re-emerge

The collapse of Venezuela's public health system has terrible consequences inside the country, but it also is giving rise to mosquito-borne viruses that could spread to nearby countries.
An infection prevention and control professional wipes her gloves with a bleach wipe during an ebola virus training in Ottawa. (THE CANADIAN PRESS/Justin Tang)

Explainer: How we all benefit from the public health system

Infectious diseases pose a continual threat to Canadians. Ensuring the population stays healthy requires increasing investment in our public health system.
Aedes Aegypti mosquitoes viewed through a microscope in Broward County, Florida, in June 2016. AP Photo/Lynne Sladky

Harvey and Irma present nearly perfect conditions for Zika-spreading mosquitoes

Vast amounts of standing water in Houston and other hurricane-flooded areas are dangerous not only because of toxins. The water is a dangerous breeding ground for mosquitoes that transmit Zika.

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