TY - JOUR T1 - First XBF subvariant detected in Phl JF - Philippine Star A1 - Jaymalin, Mayen LA - English YR - 2023 UL - https://tuklas.up.edu.ph/Record/IPN-00000935898 KW - COVID-19 KW - COVID-19 pandemic KW - SARS-CoV-2 Omicron variant ER -