| presence of borrelia in different populations of ixodes pararicinus from northwestern argentina. | this work was performed to evaluate the presence of borrelia in different populations of ixodes pararicinus from northwestern argentina (jujuy, salta and tucumán provinces). questing adults and nymphs of i. pararicinus were collected from vegetation, and i. pararicinus nymphs were also collected on birds. eighty-two ticks were tested for borrelia presence by pcr targeting the gene flagellin and the rrfa-rrlb intergenic spacer region. pools of ticks positive to borrelia were formed by two nymphs ... | 2017 | 28262480 |