AUTHOR=Lima Felipe B. , Bezerra Karine C. , Nascimento José Carlos R. , Meneses Gdayllon C. , Oriá Reinaldo B. TITLE=Risk Factors for Severe COVID-19 and Hepatitis C Infections: The Dual Role of Apolipoprotein E4 JOURNAL=Frontiers in Immunology VOLUME=13 YEAR=2022 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2022.721793 DOI=10.3389/fimmu.2022.721793 ISSN=1664-3224