Researchers combined Moderna’s existing vaccine with one designed to attack the Beta variant, and found it provided a stronger defense against several variants.Researchers combined Moderna’s existing vaccine with one designed to attack the Beta variant, and found it provided a stronger defense against several variants.Moderna Inc, Clinical Trials, Coronavirus (2019-nCoV), Vaccination and Immunization, Coronavirus Omicron Variant, Coronavirus Delta Variant, Research, Tests (Medical)Read More