Articles on Mosquito-borne diseases

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As the weather heats up and Canadians head outdoors for summer camping adventures, researchers are working to improve the detection of mosquito-borne viruses. (Unsplash/Dave Hoefler)

What are the risks of contracting West Nile virus from a mosquito in Canada?

Genomics-based surveillance can help us identify the prevalence of mosquito-borne viruses across the country.
Anopheles darlingi, a key carrier of malaria, is rapidly evolving resistance to insecticides. Romuald Carinci and Pascal Gaborit/Duchemin lab/Institut Pasteur de la Guyane

Mosquitoes carrying malaria are evolving more quickly than insecticides can kill them – researchers pinpoint how

Once-lethal insecticides now require concerningly high concentrations to effectively kill mosquitoes. Some mosquitoes are already immune to all classes of insecticides used to control malaria.
Feet of a person with lymphatic filariasis, also known as elephantiasis. WHO

Patients’ beliefs about illness matter: the case of elephantiasis in rural Ghana

In rural Ghana, only 18% of patients believe elephantiasis is a disease. Some others think it is caused by curses or even rain. Only by understanding local beliefs can it be treated effectively.
West Nile virus is spread by mosquitoes. About 80 per cent of infected people have no symptoms, but the virus can cause encephalitis and can be life-threatening. (AP Photo/Rick Bowmer)

What Canadians need to know about West Nile virus, a mosquito‑borne infection that can be life‑threatening

West Nile virus arrived in North America in 1999 and spread across the continent by 2005. Here’s what you need to know about this mosquito-borne pathogen.
People catch La Crosse disease primarily from the bite of the eastern tree-hole mosquito – although two other species may also carry the virus. Nipol Plobmuang/EyeEm via Getty Images

La Crosse virus is the second‑most common virus in the US spread by mosquitoes – and can cause severe neurological damage in rare cases

Not all cases of La Crosse disease affect the neurological system, but those that do can be severe and sometimes fatal – especially in children.

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