During its life cycle, Fasciola hepatica (liver fluke) infects its intermediate host and primary host at the following larval stage respectively:

1. Redia and miracidium
2. Cercaria and redia
3. Metacercaria and cercaria
4. Miracidium and metacercaria
Subtopic:  Phylum Ctenophora |
Level 3: 35%-60%
AIPMT - 2003
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