| porcine and rodent infection with trichinella, in the sierra grande area of rio negro province, argentina. | in 2000, two cases of human trichinellosis were detected in the sierra grande area of rio negro province, argentina. as part of an investigation of the aetiology of these cases, 300 pigs slaughtered for consumption in the area between 2000 and 2002 were checked for trichinella infection, by artificial digestion of a muscle sample. twelve (5.6%) - four (7.3%) of the 55 checked in 2000, five (4.8%) of the 105 investigated in 2001, and three (2.1%) of the 140 investigated in 2002 - were found infec ... | 2004 | 15509426 |