TY - RPRT TI - A Pan-Coronavirus Vaccine Candidate: Nine Amino Acid Substitutions in the ORF1ab Gene Attenuate 99% of 365 Unique Coronaviruses: A Comparative Effectiveness Research Study AU - Luellen, E. PY - 2022 DO - 10.1101/2022.04.28.489618 UR - https://www.biorxiv.org/content/10.1101/2022.04.28.489618v1 ID - 10.1101/2022.04.28.489618 ER -