Sensitivity and specificity of diagnostic tests to detect dogs of different infectious status.

1Dogs were classified as highly infectious, infectious, and non-infectious to the sandfly vector Lu. longipalpis by longitudinal xenodiagnosis follow-up. 2Test performance based on parasite numbers, or IgG antibody units, calculated at point xenodiagnosis to detect infectiousness of infected dogs. 3Test performance based on conventional cut-offs to detect infection.