The disease is spread by contaminated water, and linkage of the bacterium with plankton, or tiny aquatic plants and animals, has been discovered.
(The disease; is spread; by contaminated water) (linkage of the bacterium with plankton, or tiny aquatic plants and animals; has been discovered; )
The disease linkage of the bacterium with plankton, or tiny aquatic plants and animals
is spread has been discovered
by contaminated water