Fauci’s Worries; Moderna to Study Booster Shot: Virus Update: Moderna plans to begin human studies of a booster shot for its vaccine to help protect against a more-transmissible South Africa virus variant, after a test showed it may be less potent against that ... Source: "South Africa" - BingNews Biden To Implement Travel Restrictions To Combat New Coronavirus Variants: … [Read more...] about SA News: Fauci’s Worries; Moderna to Study Booster Shot: Virus Update