TABLE 3.

Earliest detection by DNA PCR and TSA-ISH after oral-nasal exposure of cats to PBMC from an FIV-C-infected donor cata

^a+Ctrl, positive control; GI, gastrointestinal tract; +, PCR positive; −, PCR negative; (+), PCR+ only once; dark shading, ISH⁺; light shading, ISH⁻; D, duodenum; J, jejunum; T, trachea.