Can't walk but pull themselves with wings. Oral administration of fresh water. Shelter Class 3 birds- completely paralysed. Remove and burn carcasses. If only dabblers are involved and it is also impossible to drain, deep flooding may be a help.
Birds have mucous in respiratory tract and spotty hemorrhages on abdominal fat.
Positive diagnosis by stained blood slide. Bacteria found in brackish water tide pools. Surfactant sprayed from plane, retrieve birds, destroy with CO2, burn. Epidemic in ducks, Chesapeake Bay, 1994. DVE also called duck plague.