Jason Tetro
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Since he was a teenager, Jason Tetro has called the laboratory his second home. His experience in microbiology and immunology has taken him into several fields including bloodborne, food and water pathogens; environmental microbiology; disinfection and antisepsis; and emerging pathogens such as SARS, avian flu, and Zika virus. He currently is a visiting scientist at the University of Guelph.

In the public, Jason is better known as The Germ Guy, and regularly offers his at times unconventional perspective on science in the media. Jason has written two books, The Germ Code, which was shortlisted as Science Book of The Year (2014) and The Germ Files, which spent several weeks on the national bestseller list. He has also co-edited, The Human Microbiome Handbook, which provides an academic perspective on the impact of microbes in human health. He lives in Toronto.

Entries by Jason Tetro

Why Even Pasteurized Milk Eventually Goes Bad

(0) Comments | Posted March 27, 2017 | 10:03 AM

Spoiled milk is one of the worst surprises anyone can encounter. The initial sourness is bad enough. Yet for those who dare to take in more than a sip, the accompanying solid pieces can revolt almost any palate.

As one might expect, the suspects behind the change from silky and...

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How Fibre May Keep Your Mouth Healthy

(1) Comments | Posted March 20, 2017 | 11:17 AM

For decades, good oral health has focused on three primary activities. We brush to keep teeth white, floss to maintain healthy gums, and for some, rinse with mouthwash to freshen breath. Behind all three of these measures is a common goal. We want to keep bad microbes at bay.

...
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Curing The 'Addiction' Of Antibiotic Resistance

(0) Comments | Posted March 13, 2017 | 10:01 AM

Every life form encounters stress. The trick to staying healthy is to find ways to manage troublesome situations. The strategies used can be split into two major coping mechanisms. One involves internal biological pathways to survive. The other requires outside supplementation to give the organism at least a chance to...

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Here's The Reason Mumps Has Made A Comeback

(5) Comments | Posted March 6, 2017 | 8:27 AM

At one time, the mere mention of mumps could strike fear in the population. The viral infection was known for causing a variety of short term symptoms, such as swollen salivary glands and reproductive organs as well as inflammation of the pancreas and meningitis. But the real worry came in...

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Here's Another Reason To Add Fibre To Your Diet

(0) Comments | Posted February 27, 2017 | 7:44 AM

It's a constant phrase echoed by health professionals all over the country, "Eat more fibre." At first glance, the recommendation may seem odd. After all, this food type is indigestible and appears to offer little to no nutritional benefit. Yet over the years, research has shown fibre is an excellent...

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How Travel Helps Antibiotic Resistance Spread Around The World

(0) Comments | Posted February 21, 2017 | 5:44 AM

With all the wintry weather affecting the country, Canadians cannot be blamed for seeking out warmer climates. The promise of sun, sand, and sea may seem like the perfect antidote to the constant struggles of the snow and those cold winds. Yet, there is an inherent risk associated with travel...

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We Are One Step Closer To A Syphilis Vaccine

(0) Comments | Posted February 13, 2017 | 8:15 AM

As Valentine's Day approaches, most Canadians turn their thoughts to love and all that comes with it. However, for public health officials, this year is particularly worrisome in the love department. It's all due to the rather unwelcome realization sexually transmitted diseases are continuing to rise in this country and...

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We May Soon Have A Trojan Horse To Defeat Cancer

(0) Comments | Posted February 6, 2017 | 7:14 AM

Beating cancer is one of humanity's greatest challenges and figuring out how to deal with these turncoat cells in our body continues to be a global priority. We have come a long way over the last century yet we have not yet won the fight. It is why researchers continue...

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We're A Step Closer To Calming Dangerous Flu-Related Inflammation

(0) Comments | Posted January 30, 2017 | 10:33 AM

Influenza is a nasty virus, as anyone who has been infected can attest. For most Canadians, the affliction only lasts for a few weeks before life returns to normal. But each year, thousands suffer more dire consequences and require hospitalization. Even with the best treatment options available, hundreds...

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Why Colds And The Flu Feel Worse At Night

(3) Comments | Posted January 23, 2017 | 2:15 AM

As cold and flu season continues to rage across the country, many Canadians are dealing with a rather frustrating conundrum. During the day, they seem to fare well with the infection but as soon as bedtime arrives, the situation worsens. The aches and pains return, the nasal passages fill up...

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The Flu May Be Trickier Than We Thought

(4) Comments | Posted January 13, 2017 | 12:18 PM

flu season

It's the middle of flu season and as expected, the virus is making its way through Canada. Thousands of people are struggling with the coughs, fever, and fatigue and looking for ways to deal with the weeks of suffering. Some will choose natural remedies, such...

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We Are One Step Closer To A Vaccine Against A Dangerous Virus

(0) Comments | Posted January 9, 2017 | 6:55 AM

This week, as expected, flu has taken over the headlines. All across Canada, hospitals are being overwhelmed by patients suffering from this well-known disease. Yet, among those looking for medical assistance, many will not have the influenza virus but another lesser known pathogen.

The pathogen is known as respiratory...

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Your Microbes May Help Your New Year's Workout Resolution

(1) Comments | Posted January 3, 2017 | 4:55 AM

It's 2017 and many Canadians are starting the New Year with a list of resolutions to change certain aspects of their lives. At the top of many personal promises is the intent to get more exercise. Whether this means a gym membership or the purchase of a brand new pair...

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Keep Your New Year's Eve Party Hygienic

(0) Comments | Posted December 28, 2016 | 8:09 AM

On Saturday night, millions of Canadians from coast to coast to coast will attend a wide variety of parties, concerts, and household gatherings to ring in the New Year. Surrounded by family, friends, and undoubtedly strangers, everyone will be waiting for the clock to strike twelve. At that moment, they...

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'Proteobiotics' May Keep Your Dog Healthy

(0) Comments | Posted December 19, 2016 | 10:06 AM

This Christmas, along with the usual array of inanimate gifts such as toys, clothes, and gadgets, some Canadian families will be welcoming a living addition to their homes in the form of a puppy. Without a doubt, the sight of a new pet will bring smiles and exclamations of joy...

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How A Scarf (Or Necktube) Will Save You From Germs

(1) Comments | Posted December 12, 2016 | 3:41 AM

As the temperature continues to plunge this winter, many Canadians will turn to scarves -- and more recently necktubes -- to keep their necks and faces warm. These swatches of fabric ensure those areas left open by jackets and coats are kept safe from the prevailing winds and wayward flakes...

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How Microbes May Control Our Body's Inner Clock

(1) Comments | Posted December 5, 2016 | 6:41 AM

Anyone who has experienced jet lag or worked the night shift knows the frustration of dealing with the outside concept of time. Although our eyes can see the change in the light and dark cycle of the Earth, our bodies continue to function as if we are in another time...

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Taking The Fecal Out Of Fecal Transplantation

(0) Comments | Posted November 28, 2016 | 5:47 AM

Of all the microbial stories given media attention over the last few years, none have been as captivating as fecal transplantation. As the name implies, this technique involves taking the feces from a healthy person and introducing it into someone who is suffering from long-term gastrointestinal illness. Although the concept...

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Probiotics May Help Alzheimer's Patients

(1) Comments | Posted November 21, 2016 | 1:53 AM

There is little doubt dementia is a serious concern in Canada. The loss of memory as well as changes in behaviour, judgement, and normal daily function is like living in a mental prison from which there is no escape. Today, at least half a million people suffer from...

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Psychobiotics Could One Day Relieve Your Stress

(0) Comments | Posted November 14, 2016 | 11:01 AM

The holiday season is coming and soon we will all be submerged in the usual rush leading up to those two weeks at the end of December. As the calamity continues, we are sure to experience a spike in stress levels. Regardless of the cause, the symptoms will be troublesome...

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