Pierce wanted to test the virus on himself.
The laboratory had been researching for several days but couldn't find an effective cure. Despite this, Pierce still believed in Eric. He thought Eric might have a solution for the virus. If he got infected, Eric could treat him. They needed to find a cure for the infection, after all.
However, Eric wasn't the only one opposing this idea. Ruth and others from the Combat Department also objected. After all, Pierce was the one overseeing the whole situ