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 evidence DNA on brushes, they should not be reused. Each scene should get a new one. This tip is especially important in situations like homicide cases, where DNA is a crucial factor. Paying the extra six to nine dollars for an extra brush may be the difference in contaminated evidence and alleviating questions. Gloves are another tool that need to be carefully handled in a crime scene. There is no guarantee that gloves will permit contamination. The key is to change gloves often. If one fails to do so, they can be contaminated by obvious reasons like touching blood and other