Previous studies have shown that the bacterium attaches itself to plankton in water, which is how the disease is spread.
(Previous studies; have shown; that the bacterium attaches itself to plankton in water, which is how the disease is spread) Context(Previous studies have shown,List([0, 27))):(the bacterium; attaches; itself)
Previous studies have shown,List([0, 27))
Previous studies the bacterium
have shown attaches
that the bacterium attaches itself to plankton in water, which is how the disease is spread
itself