Currently voted the best answer. Vote for this answer. Batters. Unfortunately, it has happened. In 1920, Ray Chapman was hit in the head by a pitched ball from Carl Mays. He was struck with a pitch by Carl Mays on August 16, 1920, in a game against the New York Yankees at the Polo Grounds.
Animals are sometimes used in the testing of drugs, vaccines and other biologics, and medical devices, mainly to determine the safety of the medical product. For drugs and biologics, the focus of animal testing is on the drugâs nature, chemistry, and effects (pharmacology) and on its potential damage to the body (toxicology).
The first studies done on humans are phase 1 trials. There are only a few people in these trials. The purpose of these earliest of trials is primarily to determine if an experimental drug is safe for humans and to figure out what dose is most appropriate. The next level of testing is phase 2 trials. These trials include more people, and are used to evaluate whether or not a drug is effective.