As in, top-10 deadliest? The freshwater snail, because of its relationship to schistosomiasis, also known as snail fever. The larval form of the parasitic worm that gives the disease its name live in the freshwater snails.

Gives a whole new meaning to snailwrangling…

The takeaway point of the infographic posted on Bill Gates’ blog was that the mosquito was the deadliest animal because of its role in the transmission of several diseases. The top ten, in order: (1) mosquitos; (2) humans; (3) snakes; (4) dogs; (5) tsetse flies; (6) assassin bugs; (7) freshwater snails; (8) ascaris roundworms; (9) tapeworms; and (10) crocodiles.