The Nose Knows: Dogs Are Being Trained to Detect the Coronavirus

Security workers with detection dogs walking in airport terminal

Security workers walk with detection dogs in an airport terminal.

Viacheslav Lakobchuk/Adobe Stock

Asher is eccentric and inquisitive. He loves an audience, likes keeping busy, and howls to be let through doors. He is a six-year-old working Cocker Spaniel, who, with five other furry colleagues, has now been trained to sniff body odor samples from humans to detect COVID-19 infections.

As the Delta variant and other new versions of the SARS-CoV-2 virus emerge, public health agencies are once again recommending masking while employers contemplate mandatory vaccination. While PCR tests remain the "gold standard" of COVID-19 tests, they can take hours to flag infections. To accelerate the process, scientists are turning to a new testing tool: sniffer dogs.

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Puja Changoiwala
Puja Changoiwala is an award-winning journalist and author based in Mumbai. She writes about the intersections of gender, crime, technology, social justice and human rights in India. She tweets @cpuja.
When doctors couldn’t stop her daughter’s seizures, this mom earned a PhD and found a treatment herself.

Savannah Salazar (left) and her mother, Tracy Dixon-Salazaar, who earned a PhD in neurobiology in the quest for a treatment of her daughter's seizure disorder.

LGS Foundation

Twenty-eight years ago, Tracy Dixon-Salazaar woke to the sound of her daughter, two-year-old Savannah, in the midst of a medical emergency.

“I entered [Savannah’s room] to see her tiny little body jerking about violently in her bed,” Tracy said in an interview. “I thought she was choking.” When she and her husband frantically called 911, the paramedic told them it was likely that Savannah had had a seizure—a term neither Tracy nor her husband had ever heard before.

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Sarah Watts

Sarah Watts is a health and science writer based in Chicago.

A robot cafe in Tokyo is making work possible for people with disabilities.

A robot server, controlled remotely by a disabled worker, delivers drinks to patrons at the DAWN cafe in Tokyo.

Photo courtesy of dawn2021.orylab.com.

A sleek, four-foot tall white robot glides across a cafe storefront in Tokyo’s Nihonbashi district, holding a two-tiered serving tray full of tea sandwiches and pastries. The cafe’s patrons smile and say thanks as they take the tray—but it’s not the robot they’re thanking. Instead, the patrons are talking to the person controlling the robot—a restaurant employee who operates the avatar from the comfort of their home.

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Sarah Watts

Sarah Watts is a health and science writer based in Chicago.