Results indicated that not only can dogs detect Covid faster, but they can also do so in a non-intrusive manner – so no need to swab your throat or nose
Dogs can detect Covid-19 faster and more accurately than a PCR test, a new study shows.
Researchers looked at the ability of canines to recognise the virus and its variants, even when they are obscured by other viruses, like those from common colds and flu.
More than 400 scientists from over 30 countries contributed to the study as well as 147 scent dogs, according to the findings published in the Journal of Osteopathic Medicine.
After analysing many studies covering both field and clinical experiments, Professor Dickey and Junqueira found that dogs who are trained to sniff out scents are “as effective and often more effective” than antigen tests.
A total of 53 dogs were trained to sniff out Covid scents, while 37 were not and scientists found that the dogs that were not trained were in some cases “slightly superior” to those that were pre-trained.
“The previously untrained dogs have the advantage that they are not as prone to indicating on scents other than the Covid–19 associated scent,” the paper said.
The results indicated that not only can dogs detect Covid faster, but they can also do so in a non-intrusive manner. This means you won’t need to put a swab in your throat or nose.
How can dogs detect the virus?
This essentially comes down to the dog’s highly evolved nose with its ability to sense out smells quicker.
Dogs possess up to 300 million olfactory receptors in their noses, compared to about six million in humans. And the part of a dog’s brain that is devoted to analysing smells is about “40 times greater” than humans. Canines also have ‘neophilia’, which means they are attracted to new and interesting odours
And so, with all these enhancements, dogs can detect very low concentrations of odours associated with Covid infections.
“They can detect the equivalent of one drop of an odorous substance in 10.5 Olympic-sized swimming pools,” Professor Dickey said. “For perspective, this is about three orders of magnitude better than with scientific instrumentation.”
Scientists also found that in some cases, the animals were also able to detect the virus in pre-symptomatic and asymptomatic patients, “whose viral load was too low for conventional tests to work.”
Professor Dickey has said that dogs can also differentiate Covid and its different variants in the presence of other respiratory viruses. This included the common cold or flu.
“They’re much more effective. In fact, one of the authors that we quote in the paper commented that the RT-PCR test is not the gold standard anymore. It’s the dog. And they’re so quick,” he added. “They can give you the yes or no within seconds if they’re directly smelling you.”
How was the study conducted to see if dogs can really detect Covid-19?
In some studies, the dogs gave a person a quick sniff, sitting down to see if the person has Covid. In another study, the dog was given a sweat sample to smell for a few minutes.
The press release has said that scent dogs, such as beagles, basset hounds and coonhounds are the ideal candidates for sniffing out the virus, given their “natural tendencies to rely on odours to relate to the world.”
But the studies which the researchers analysed showed a variety of dogs were up for the challenge and were able to sniff out the Covid odour. With a few weeks of training, puppies, older dogs, purebred and mixed breeds, both male and female were able to sniff such odours out and “all performed admirably,” the Eureka Alert press release said.
Although there has been success with dogs detecting such viruses, researchers believe there are still many challenges with using dogs for medical diagnoses.
“There’s quite a bit of research, but it’s still considered by many as a kind of a curiosity,” said Professor Dickey.
In conclusion, Professor Dickey and Junqueira said after reviewing the studies, believe that scent dogs deserve “their place as a serious diagnostic methodology that could be particularly useful during future pandemics, potentially as part of rapid routine health screenings in public spaces.”
“Perhaps, most importantly, we argue that the impressive international quality and quantity of COVID scent dog research described in our paper for the first time, demonstrates that medical scent dogs are finally ready for a host of mainstream medical applications,” they added.
Unbreakable Bond! Heroic Dog Saves Injured Hiker, Keeping Watch for 13 Hours in Frigid Cold, Against All Odds
“An Incredible Tale of Survival: Man’s Best Friend Comes to the Rescue
In the breathtaking peaks of Croatia’s Velebit mountain range, Grga Brkić faced a life-threatening situation. While hiking on one of the highest peaks, he tragically fell 500 feet, fracturing his leg, rendering him immobile, and staring death in the face.
There’s a profound love that dogs have for us, a love that knows no bounds. One man who experienced this love firsthand is Grga Brkić. As he lay stranded in the freezing cold, with hypothermia creeping in, hope arrived in the form of his loyal companion, North—an eight-month-old Alaskan Malamute.
North, instinctively understanding the dire circumstances, climbed atop his injured owner, providing warmth and comfort until help could reach them. This harrowing incident unfolded approximately 5,800 feet above Croatia’s Adriatic coastline, as reported by PEOPLE.
Brkić’s fall left him with a fractured lower leg and the inability to move. Two fellow hikers discovered him and his faithful dog at the base of the slope, realizing the impossibility of lifting him out on their own. They immediately called for rescuers.
In an incredible display of loyalty, North nestled beside Brkić, sharing his body heat to keep him warm. Alaskan Malamutes are known for their remarkable cold tolerance, capable of withstanding temperatures as low as -20°F, thanks to their thick, waterproof double coats designed for the harsh Arctic conditions.
For 13 grueling hours, Brkić clung to hope, knowing that North was his lifeline. Finally, a team of 27 first responders from the Croatian emergency mountaineers, Hrvatska Gorska Služba Spašavanja, arrived on the scene, and their astonishment was palpable. North had steadfastly curled around Brkić, providing vital warmth throughout the ordeal.
The rescue mission faced daunting challenges—snow, ice, and fallen trees—making it one of the most demanding operations ever undertaken by these seasoned professionals. Remarkably, North never left Brkić’s side.
Ultimately, they were airlifted to a nearby hospital, where Brkić underwent a lifesaving emergency operation, making a full recovery. Thankfully, North emerged from the incident unscathed.
Josip Brozičević, the head of the Croatian mountain rescue services, praised North’s heroic actions, stating, “The dog was curled up next to the owner in the pit the entire time; he warmed his owner with his body, thus preventing the mountaineer’s significant hypothermia who suffered a severe fracture of the lower leg and ankle when he fell.”
In a heartfelt interview with Croatian media, Brkić expressed his gratitude, acknowledging that he wouldn’t be alive today if it weren’t for North. The moments before rescue arrived felt agonizingly slow, but North’s presence was a true miracle.
Following the incident, the Croatian emergency mountaineers posted about the incredible rescue, and Brkić’s family shared an update, confirming that both he and North were doing remarkably well.
This extraordinary tale is a testament to the indomitable spirit of friendship between humans and their loyal canine companions. Share this story to celebrate the extraordinary bond between Grga Brkić and North and to honor the incredible bravery of our furry friends.
In the breathtaking peaks of Croatia’s Velebit mountain range, Grga Brkić faced a life-threatening situation. While hiking on one of the highest peaks, he tragically fell 500 feet, fracturing his leg, rendering him immobile, and staring death in the face.
There’s a profound love that dogs have for us, a love that knows no bounds. One man who experienced this love firsthand is Grga Brkić. As he lay stranded in the freezing cold, with hypothermia creeping in, hope arrived in the form of his loyal companion, North—an eight-month-old Alaskan Malamute.
North, instinctively understanding the dire circumstances, climbed atop his injured owner, providing warmth and comfort until help could reach them. This harrowing incident unfolded approximately 5,800 feet above Croatia’s Adriatic coastline, as reported by PEOPLE.
Brkić’s fall left him with a fractured lower leg and the inability to move. Two fellow hikers discovered him and his faithful dog at the base of the slope, realizing the impossibility of lifting him out on their own. They immediately called for rescuers.
In an incredible display of loyalty, North nestled beside Brkić, sharing his body heat to keep him warm. Alaskan Malamutes are known for their remarkable cold tolerance, capable of withstanding temperatures as low as -20°F, thanks to their thick, waterproof double coats designed for the harsh Arctic conditions.
For 13 grueling hours, Brkić clung to hope, knowing that North was his lifeline. Finally, a team of 27 first responders from the Croatian emergency mountaineers, Hrvatska Gorska Služba Spašavanja, arrived on the scene, and their astonishment was palpable. North had steadfastly curled around Brkić, providing vital warmth throughout the ordeal.
The rescue mission faced daunting challenges—snow, ice, and fallen trees—making it one of the most demanding operations ever undertaken by these seasoned professionals. Remarkably, North never left Brkić’s side.
Ultimately, they were airlifted to a nearby hospital, where Brkić underwent a lifesaving emergency operation, making a full recovery. Thankfully, North emerged from the incident unscathed.
Josip Brozičević, the head of the Croatian mountain rescue services, praised North’s heroic actions, stating, “The dog was curled up next to the owner in the pit the entire time; he warmed his owner with his body, thus preventing the mountaineer’s significant hypothermia who suffered a severe fracture of the lower leg and ankle when he fell.”
In a heartfelt interview with Croatian media, Brkić expressed his gratitude, acknowledging that he wouldn’t be alive today if it weren’t for North. The moments before rescue arrived felt agonizingly slow, but North’s presence was a true miracle.
Following the incident, the Croatian emergency mountaineers posted about the incredible rescue, and Brkić’s family shared an update, confirming that both he and North were doing remarkably well.
This extraordinary tale is a testament to the indomitable spirit of friendship between humans and their loyal canine companions. Share this story to celebrate the extraordinary bond between Grga Brkić and North and to honor the incredible bravery of our furry friends.
Leave a Reply