Are the emerging SARS-COV-2 mutations friend or foe?

Are the emerging SARS-COV-2 mutations friend or foe? Immunol Lett. 2021 Jan 02;: Authors: Ero A PMID: 33400966 [PubMed - as supplied by publisher]
Source: Immunology Letters - Category: Allergy & Immunology Authors: Tags: Immunol Lett Source Type: research