| chagas disease in north-west argentina: association between trypanosoma cruzi parasitaemia in dogs and cats and infection rates in domestic triatoma infestans. | the association between trypanosoma cruzi parasitaemia in dogs and cats and tryp. cruzi infection rates in domestic triatoma infestans was studied in a cross-sectional survey of 31 houses (89%) in the rural villages of trinidad and mercedes, north-west argentina, where no spraying of insecticides had ever been done. similar prevalence rates of parasitaemia, determined by xenodiagnosis, were recorded among 68 dogs (41.2%) and 28 cats (39.3%). bug infection rates were significantly associated with ... | 1993 | 8465382 |