By Brian Clowes, PhD, Human Life International, May 14, 2021
How Vaccines Are Produced
All vaccines undergo several stages of development before they are approved for public use by the United States Food and Drug Administration’s (FDA’s) Center for Biologics Evaluation and Research or by the United Nations World Health Organization (WHO). The process begins with the exploratory stage, then proceeds to the pre-clinical stage, clinical development (initial testing, testing on intended target group, and large-scale testing), regulatory review and approval, and finally manufacturing and distribution, always with continuous quality control during the entire sequence.
There are three classes of vaccines in use today that have profound moral implications because some of them use material from aborted preborn children during their testing and manufacturing phases:
Vaccines which use no fetal tissue during any phase of their development, testing and production. These are always ethical to use. …