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Articles on Infection

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Genetic analysis of the bacteria causing surgical site infections revealed that many were already present on the patient’s skin. Ruben Bonilla Gonzalo/Moment via Getty Images

Infections after surgery are more likely due to bacteria already on your skin than from microbes in the hospital − new research

Most infection prevention guidelines center on the hospital environment rather than the patient. But the source of antibiotic-resistant microbes is often from the patient’s own body.
Horseshoe crabs in spawning season at Reeds Beach, N.J., on June 13, 2023. AP Photo/Matt Rourke

Horseshoe crab blood is vital for testing intravenous drugs, but new synthetic alternatives could mean pharma won’t bleed this unique species dry

Horseshoe crabs play a unique role in medicine, but they’re also ecologically important in their home waters along the Atlantic coast. Can regulators balance the needs of humans and nature?
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.
Being feverish is unpleasant, but it can help your body overcome invading pathogens. Narisara Nami/Moment via Getty Images

How does fever help fight infections? There’s more to it than even some scientists realize

The heat and chills that come with fever are not only uncomfortable but also metabolically costly. Increased body temperature, however, can make all the difference when you’re sick.
Cytomegalovirus belongs to the same virus family, Herpesviridae, as cold sores and chickenpox. Callista Images/Image Source via Getty Images

Cytomegalovirus lies dormant in most US adults and is the leading infectious cause of birth defects, but few have heard of it

Although testing for CMV during pregnancy isn’t routine and there isn’t universal screening for infants, there are steps pregnant people can take to protect themselves and their newborns.
Bacteria (clusters of light pink, surrounded by larger magenta blood cells) can cause deadly infections, but overreactive immune responses can deliver the lethal blow. Scharvik/iStock via Getty Images Plus

Sepsis is one of the most expensive medical conditions in the world – new research clarifies how it can lead to cell death

An overactive immune response to infection can be deadly. Studying how one key player called tumor necrosis factor, or TNF, induces lethal immune responses could provide new treatment targets.

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