Table 1 Canine ability to detect COVID-19-related VOCs in the laboratory test and retest.

From: Sniffer dogs performance is stable over time in detecting COVID-19 positive samples and agrees with the rapid antigen test in the field

Dog

Parameter

Test

Retest

Estimate

95% CI

Estimate

95% CI

Lower (%)

Upper (%)

Lower (%)

Upper (%)

Helix

Sensitivity

100% (10/10)

100

100

60% (6/10)

23

96

Specificity

100% (50/50)

100

100

92% (46/50)

84

99

Otto

Sensitivity

90% (9/10)

67

112

90% (9/10)

67

112

Specificity

98% (49/50)

93

102

98% (49/50)

93

102

Nala

Sensitivity

90% (9/10)

67

112

100% (10/10)

100

100

Specificity

98% (49/50)

93

102

100% (50/50)

100

100

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