Snails as Intermediate Hosts of Human Disease Freshwater snails are the intermediate hosts of a variety of trematode flukes and some nematodes (roundworms) that cause many human diseases (Ross et al., 1997, Figure 6.6(c) and (d)).
What is the host for roundworms?
Many roundworms have a complicated life cycle that includes both main hosts (large mammals such as humans or pigs) and intermediate hosts (small animals such as snails). Therefore, some roundworm infections occur as a result of eating uncooked contaminated food. The eggs may survive for years in moist soil.
Which is example of intermediate host?
Example: tapeworm using a pig as intermediate hosts. When the pig ingests its egg, the egg hatches and the larva moves from the intestine to the muscle to form a cyst.
Which 2 organisms are roundworms?
Roundworms are a group of parasites that includes pinworms and ascariasis. These tiny organisms enter your body, where they often live in your digestive system and cause problems.
What is the intermediate host of nematodes?
We found that the principal intermediate hosts of the two nematodes were filter-feeding mayflies of the genera Ephemera, Photamanthus and Isonychia. Ephemera strigata seemed to be the most important intermediate host of these nematodes.
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