AUTHOR=Pugno Nicola Maria , Provis John L. , Dai Liming , Pegoretti Alessandro , Cannillo Valeria , Li Weihua TITLE=Editorial: Covid-19: Materials Science and Engineering Challenges JOURNAL=Frontiers in Materials VOLUME=8 YEAR=2021 URL=https://www.frontiersin.org/journals/materials/articles/10.3389/fmats.2021.708684 DOI=10.3389/fmats.2021.708684 ISSN=2296-8016