AUTHOR=Akhtar Marjahan , Islam Md. Rashedul , Khaton Fatema , Rahman Fatima , Sami Tausif Adnan , Tauheed Imam , Ahmed Tasnuva , Akter Afroza , Khan Ishtiakul Islam , Khan Zahid Hasan , Kumar Biswas Prasanta , Ryan Edward T. , Banu Sayera , Shirin Tahmina , Chowdhury Fahima , Khan Ashraful Islam , Bhuiyan Taufiqur Rahman , Qadri Firdausi TITLE=Spike specific IgG3 and nucleocapsid IgG response in serum serve as distinguishing immunological markers between SARS-CoV-2 infection and vaccination JOURNAL=Frontiers in Immunology VOLUME=Volume 16 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2025.1518915 DOI=10.3389/fimmu.2025.1518915 ISSN=1664-3224