| intestinal parasites in refugee claimants: a case study for selective screening? | the medical profiles of 1,967 refugee claimants to montreal, quebec, canada from january 1987 to july 1987 were reviewed to evaluate the importance of imported intestinal parasite infection in this group and to re-examine the screening policy governing these infections. an overall infection rate of 29.3% was obtained for pathogenic parasites, where helminths were four times more frequently found than the protozoa entamoeba histolytica and giardia lamblia. age, sex, years of schooling, country of ... | 1990 | 2361204 |
| primates as a source of entamoeba histolytica, their zymodeme status and zoonotic potential. | a survey of 17 species of non-human captive primates in quebec, canada, revealed that 40% of the animals were infected with the protozoan entamoeba histolytica. isoenzyme analysis of lysates prepared from cultured amebic isolates showed them to belong to either a zymodeme iii or viii, and therefore, characteristic of non-pathogenic strains of e. histolytica from humans. these isolates were also of low virulence in gerbil ceca. serum samples from infected and uninfected primates had negative titr ... | 1985 | 2869116 |