| [acute trichinosis in children. intrafamilial epidemic outbreak in mexico city]. | four cases of trichinosis found in a family living in iztapalapa, mexico, d.f. are reported. the family reported to frequently eat raw sausage originally from villanueva, zacatecas from which trichinella spiralis larvae were isolated. diagnosis was difficult in the first case since no epidemiological history was associated with the patient, besides the fact that the patient showed no signs of eosinophilia and blood tests were negative. the diagnosis in this case was confirmed through muscular bi ... | 1990 | 2222824 |
| molecular similarities and differences between trichinella spp., isolated from canine skeletal muscle in zacatecas, mexico. | four different isolates of trichinella spp. (z1, z2, z3, and z4) obtained from the skeletal muscle of street dogs in the state of zacatecas, mexico were serial passaged in wistar rats; infective larvae from the skeletal muscle of the rats were collected and frozen in liquid nitrogen. after centrifugation, dna was extracted and the 5srnar and isrnar genes were amplified. the isolates were identified by the size of the amplified products from the 5srnar and isrnar genes (750 and 290 bp, respective ... | 2012 | 22446011 |