Corrigendum: Case report: Persistence of residual antigen and RNA of the SARS-CoV-2 virus in tissues of two patients with long COVID - Goh, Denise; Lim, Jeffrey Chun Tatt; Fernaíndez, Sonia Bilbao; Joseph, Craig Ryan; Edwards, Sara Gil; Neo, Zhen Wei; Lee, Justina Nadia; Caballero, Sílvia Guerrero; Lau, Mai Chan; Yeong, Joe Poh Sheng (Frontiers in Immunology, 2022)