This study reports the molecular characterization of Cryptosporidium spp. isolates identified from intestinal contents of ringed seals (Phoca hispida) from Nunavik (Quebec, Canada). Cryptosporidium spp. fragments of 18S rRNA, HSP-70, and actin loci were amplified by PCR from seal intestinal contents. PCR-positive specimens were sequenced and compared with other Cryptosporidium species and genotypes reported previously. Sequence analysis showed the presence of C. muris and 2 novel genotypes in ringed seals.

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