Schistosomiasis (or Death by Snail) – Science Friday

Another creature belonging to the “small but deadly” category is the freshwater snail, which is responsible for more than 200,000 deaths a year — more deaths than sharks, lions and wolves combined. Freshwater snails carry a parasitic disease called schistosomiasis, which infects nearly 250 million people, mostly in Asia, Africa and South America.

Source: A Creative Approach to Controlling a Deadly Snail – Science Friday