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)).
Do roundworms require an intermediate host?
Nematodes (roundworms) are free-living in the intestines. Roundworms do not require an intermediate host to spread from dog to dog, but can be transmitted from dog to dog via infective eggs shed in the feces. of blood sucking, hookworms can cause severe anemia.
Which parasite has an intermediate host?
Table 2: Parasite and their intermediate host(s)ParasiteIntermediate HostTapeworm (Taenia solium)Humans, Cow, PigsSchistosoma mansoniFreshwater snails (Biomphalaria spp.)Toxoplasma gondiiMany mammals and birds
What is the primary host of roundworm?
Conclusion: Human beings are infected by these worms when they consume food or water that is contaminated by Ascaris worm eggs. Human beings and swines are primary hosts for Ascaris.
Are roundworms host specific?
Roundworm species of veterinary importance For each species the predilection site(s) and most affected hosts are mentioned. Some species are quite host-specific; other species can infect a wide range of hosts. Many species are cosmopolitan, whereas other occurs only in certain regions.
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