11/4—Dogs detect Covid with 'close to 100% accuracy'
'Close to 100% accuracy': Helsinki airport uses sniffer dogs to detect Covid
[Media report.] Researchers running Helsinki pilot scheme say dogs can identify virus in seconds. In the university’s preliminary tests, dogs – which have been successfully used to detect diseases such as cancer and diabetes – were able to identify the virus with nearly 100% accuracy, even days before before a patient developed symptoms.
Scent dog identification of samples from COVID-19 patients – a pilot study
Eight detection dogs were trained for 1 week to detect saliva or tracheobronchial secretions of SARS-CoV-2 infected patients in a randomised, double-blinded and controlled study. The dogs were able to discriminate between samples of infected (positive) and non-infected (negative) individuals with average diagnostic sensitivity of 82.63% (95% confidence interval [CI]: 82.02–83.24%) and specificity of 96.35% (95% CI: 96.31–96.39%). During the presentation of 1012 randomised samples, the dogs achieved an overall average detection rate of 94% (±3.4%).
Real-Time Detection of a Virus Using Detection Dogs
We investigated the ability of two trained dogs to detect cell cultures infected with bovine viral diarrhea virus (BVDV). Detection of BVDV-infected cell cultures by Dog 1 had a diagnostic sensitivity of 0.850 (95% CI: 0.701–0.942), which was lower than Dog 2 (0.967, 95% CI: 0.837–0.994). Both dogs exhibited very high diagnostic specificity (0.981, 95% CI: 0.960–0.993) and (0.993, 95% CI: 0.975–0.999), respectively.
Detection dogs as a help in the detection of COVID-19 Can the dog alert on COVID-19 positive persons by sniffing axillary sweat samples ? Proof-of-concept study
[Preprint.] 8 dogs […] performed a total of 368 trials. The percentages of success of the dogs to find the positive sample in a line containing several other negative samples or mocks (2 to 6) were 100p100 for 4 dogs, and respectively 83p100, 84p100, 90p100 and 94p100 for the others, all significantly different from the percentage of success that would be obtained by chance alone.
Saliva‐based testing for diagnosis of SARS‐CoV‐2 infection: A meta‐analysis
Fourteen studies (16 cohorts) were included. Average sensitivity was 0.85 (95% CI 0.77 to 0.91) and average specificity 0.99 (95% CI 0.98 to 1.00) with saliva-based index test compared to […] reference tests (Figure 1).
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