1 Matching Annotations
- Jan 2021
In 1945, against the advice of investigators who had studied the pharmacology of the compound and found it dangerous for all forms of life, DDT (chlorophenoethane, dichloro-diphenyl-trichloroethane) was released in the United States and other countries for general use by the public as an insecticide. . . .
Poliomyelitis can be caused by a virus, chemicals or a combination of the two.