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Schistosomiasis is spread by contact with fresh water contaminated with parasites. [5] These parasites are released from infected freshwater snails. [5] The disease is especially common among children in underdeveloped and developing countries because these kids are more likely to play in contaminated water. [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. [1] [2]
The transmission of schistosomiasis occurs through the penetration of the skin by cercariae, the free-swimming infective form of the parasite, which are released by infected freshwater snails. Once inside the human body, the cercariae migrate to the blood vessels and develop into adult worms, which live in the veins surrounding the bladder and ...
Humans killed per year Animal Humans killed per year Animal Humans killed per year 1 Mosquitoes: 1,000,000 [a] Mosquitoes 750,000 Mosquitoes 725,000 2 Humans 475,000 Humans (homicide) 437,000 Snakes 50,000 3 Snakes: 50,000 Snakes 100,000 Dogs 25,000 4 Dogs: 25,000 [b] Dogs 35,000 Tsetse flies 10,000 5 Tsetse flies: 10,000 [c] Freshwater snails ...
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]
Platypuses are carnivores and hunt animals like worms, shrimp, snails, and insects. ... Fortunately for humans, ... platypus venom can kill smaller animals — such as a medium-sized dog ...
ingestion of raw or undercooked freshwater crabs crayfishes or other crustaceans Schistosomiasis – bilharzia, bilharziosis or snail fever (all types) Schistosoma sp. Africa, Caribbean, eastern South America, east Asia, Middle East – 200 million people skin exposure to water contaminated with infected freshwater snails intestinal schistosomiasis
Here are 10 weird things that can kill you almost instantly. Number 10.A meteor. Humans have been lucky when it comes to avoiding sizeable meteors and mass die-offs. However, if one measuring 50 ...