Genomic evidence of co-identification with Omicron and Delta SARS-CoV-2 variants: a report of two cases. - Wawina-Bokalanga T; Logist AS; Sinnesael R; Van Holm B; Delforge ML; Struyven P; Cuypers L; André E; Baele G; Maes P (International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases, 2022)