| detection of rickettsia spp. in haemaphysalis ticks collected in la rioja, spain. | in an attempt to know the potential risk of human disease after exposure to ticks in la rioja (north of spain), the objective of our study was to investigate the presence of rickettsia species in haemaphysalis ticks collected in our area. a total of 177 haemaphysalis spp. belonging to three species (h. punctata, h. sulcata, and h. inermis) were subjected to dna extraction and tested by polymerase chain reaction (pcr) targeting three rickettsial genes: glta, ompb, and ompa. six (3 h. inermis, 2 h ... | 2008 | 18454590 |