Scents detected by trained dogs can accurately diagnose human COVID-19 infection
the verdict
SUPPORTED
the evidence backs this
confidence 62/100
Multiple studies demonstrate that trained detection dogs can accurately identify human COVID-19 infections from breath, sweat, or respiratory secretions with high sensitivity and specificity, though performance can vary by viral variant and sample type.
Evidence for · 6
Dog Savior: Immediate Scent-Detection of SARS-COV-2 by Trained Dogs
2020 · cited by 9
Demonstrates that trained dogs can identify SARS-CoV-2 in respiratory secretions with very high sensitivity, specificity, and accuracy.
Evidence against · 1
Dogs' Detection of Symptomatic and Asymptomatic SARS-CoV-2 by Non-Working Dogs: Feasibility and Limits Under Controlled Laboratory Conditions.
2026 · cited by 0
Notes that while dogs can generalize across some variants, performance dropped significantly for asymptomatic Omicron samples, suggesting limits to diagnostic accuracy under certain conditions.
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More for · 5
Use of Canine Olfactory Detection for Covid-19 Testing Study on U.A.E. Trained Detection Dog Sensitivity
2021 · cited by 6
Finds that detection dogs achieved overall sensitivities between 71% and over 90% in identifying COVID-19 from axillary sweat samples.
Olfactory detection of human odorant signatures in Covid patients by trained dogs
2021 · cited by 2
Shows that specially trained dogs achieved a high reliability rate of 95% in detecting COVID-19 from odor samples.
Scent dogs identify SARS-CoV-2-infections in respiratory samples from experimentally infected ferrets and hamsters-a pilot study.
2024 · cited by 0
Provides evidence that scent dogs detect samples from COVID-19 with diagnostic sensitivity and specificity comparable to human results.
Canine olfactory detection and its relevance for the medical identification of patients with COVID-19.
2024 · cited by 0
Reports that sniffer dogs achieved high sensitivity (95.83%) in identifying COVID-19 from axillary sweat samples.
Sniffing out safety: canine detection and identification of SARS-CoV-2 infection from armpit sweat.
2023 · cited by 0
Finds detection dogs exhibited an overall sensitivity of 81%, specificity of 98%, and accuracy of 95% using sweat samples.