Three patients taking part in clinical trials for Moderna's (NASDAQ:MRNA) coronavirus vaccine candidate and two taking part in Pfizer's (NYSE:PFE) study have experienced intense side effects, according to a report published by CNBC. Those effects included high fever, pounding headaches, intense chills, and exhaustion. The CNBC article identified one of the participants in the Moderna study, a man named Luke Hutchison. After being given the second of two COVID-19 vaccine shots during the tri