Figure 1From: Performance of seven serological assays for diagnosing tularemia Hand-held immunochromatographic test for the serological diagnosis of tularemia (VIRapid®; Vircell S.L., Santa Fé, Spain). A test is interpreted as positive, if the specific line and the control line are positive (A). The test is valid, but negative, if only the control line is visible (B).Back to article page