November 19, 2021 https://www.kold.com/2021/11/20/fact-finders-how-long-will-covid-booster-last/ FACT FINDERS: How Long Will The COVID Booster Last? While we do not yet know exactly how long the MRNA booster will provide protection there is some encouraging data, according to UArizona Chief of Infectious Diseases Dr. Elizabeth Connick. Related Improving Health Related Researchers Elizabeth Connick