Eucestoda the "broad tapeworm" or "fish tapeworm") and related species. Humans become infected by eating raw, undercooked, or marinated fish acting as a second intermediate or paratenic host harboring metacestodes or plerocercoid larvae. Clinical symptoms are due to the large size of the tapeworm, which often reaches a length exceeding 15 m. The most common symptom is pernicious anemia, caused by the absorption of vitamin B12 by the worm. Other symptoms include various intestinal issues, slight leukocytosis, and eosinophilia. This condition is caused by the plerocercoid larvae of the tapeworm "Spirometra". Humans become infected by drinking contaminated water, eating raw or
Contaminated land Contaminated land Contaminated land contains substances in or under the land that are actually or potentially hazardous to health or the environment. Areas with a long history of industrial production are known as brownfield land. Many such sites may be affected by their former uses such as mining, industry, chemical and oil spills and waste disposal. Contamination can also occur naturally as a result of the geology of the area, or through agricultural use. Land can be contaminated by things like: A requirement was placed on all local authorities in England, Wales and Scotland to investigate potentially contaminated sites and,