Normal and abnormal conditions of plant and animal bodies. Covers both human and non-human health and disease topics. For human health and disease, use the narrower term 'environmental health (human)'.
Amphibian population declines and deformities due to various causes including land use change, viruses, and fungi. Links to USGS press releases, answers to FAQs (HTML and PDF versions) and photos with downloadable files.
Background information and genetic sequencing data for more than 1,000 individual field isolates of the fish virus Infectious Hematopoietic Necrosis Virus (IHNV) collected in western North America from 1966 to the present, updated annually.
Papers from a 1999 symposium on the possible effects on water resources and the environment of large agricultural feeding operations for pigs, chickens, and cattle, with links to other meetings, bibliography, and research studies. (Also as PDF files)
A template database for recording information on individual isolates of aquatic pathogens affecting a variety of aquatic species such as fish or shellfish. Tracks collection, history, geography, gene sequence, and diagnostic info. Uses FileMaker Pro.
Arsenic is a naturally occurring element in rocks, soils, and the waters in contact with them. It is found in ground water as the result of minerals dissolving from weathered rocks and soils. This site links to data, maps, and more.