The government announced Monday that a healthy volunteer in Seattle is the first person in the U.S. to receive a dose of an experimental coronavirus vaccine as part of a new clinical trial. Let’s take a brief look at some of the bioethics issues this trial raises. #COVIDー19 Regulators require that a manufacturer show a product is safe and effective before it can be marketed and sold. While not strictly required, researchers almost always take the step of using lab animals before recruiting human volunteers.