This patent, filed by researchers at the University of North Carolina, describes how scientists created and modified versions of the SARS-CoV-2 virus in the lab so they could study it, test vaccines, and develop treatments. In plain terms, it lays out the genetic changes made to the virus, explains how these altered versions can be grown and handled more "safely", and shows how they can be used in experiments with cells or animals. While some people want to believe this virus doesn’t exist or wa

Is animal research ethical?