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Schistosomiasis, also known as snail fever, bilharzia, and Katayama fever, [1] [2] [9] is a disease caused by parasitic flatworms called schistosomes. [5] The urinary tract or the intestines may be infected. [5]
Freshwater snails are indirectly among the deadliest animals to humans, as they carry parasitic worms that cause schistosomiasis, a disease estimated to kill between 10,000 and 200,000 people annually.
Freshwater snails: 10,000 [e] Tsetse flies 10,000 8 Scorpions: 3,250 Scorpions 3,250 9 Ascaris roundworms ... What Animals Kill The Most Humans Each Year?, World Atlas;
Biomphalaria glabrata is a species of air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.. Biomphalaria glabrata is an intermediate snail host for the trematode Schistosoma mansoni, which is one of the main schistosomes that infect humans. [2]
The prevention of paragonimiasis involves avoiding the consumption of raw or undercooked freshwater crustaceans or snails, especially in endemic areas. Proper cooking or boiling of these animals can kill the metacercariae and prevent infection. In addition, proper sanitation and hygiene practices, such as washing hands and food properly, can ...
The blue-ringed octopus's rings are a warning signal; this octopus is alarmed, and its bite can kill. [42] A few species of molluscs, including octopuses and cone snails, can sting or bite. Some present a serious risk to people handling them. However, deaths from jellyfish stings are ten times as common as those from mollusc bites. [43]
The life cycle of schistosomes includes two hosts: humans as definitive hosts, where the parasite undergoes sexual reproduction, and snails as intermediate hosts, where a series of asexual reproduction takes place. S. mansoni is transmitted through water, where freshwater snails of the genus Biomphalaria act as intermediate hosts. The larvae ...
Bulinus is a genus of small tropical freshwater snails, aquatic gastropod mollusks in the family Bulinidae, the ramshorn snails and their allies. [5] This genus is medically important because several species of Bulinus function as intermediate hosts for the schistosomiasis blood fluke. [6]