Comparative Evaluation of Infected and Noninfected Amblyomma triste Ticks with Rickettsia parkeri, the Agent of an Emerging Rickettsiosis in the New World
Table 1
Results of immunofluorescence assay (IFA) performed on rabbits infested with Amblyomma triste ticks from the infected group, and results of PCR targeting the rickettsial gene gltA performed on ticks of the infected group, through five consecutive generations (F1–F5) in the laboratory.
Tick stage and generation
IFA endpoint titer according to the tick infestation day
Number of PCR-positive ticks/Number of ticks tested by PCR (% infection)