Immunoblotting analysis against the structural proteins of
. Each strip was loaded with 5 μg of capsid protein from TrV (e-TrV). Lines 1–8 show reactive sera of eight selected samples. Out of a total of 50 analysed samples, 36 resulted positive, i.e., showed reactivity against three or four VPs; Iinesnc1 and nc2 correspond to sera of individuals from Triatoma virus-free provinces of Argentina.