Sequencing and mutations analysis of the first recorded SARS-CoV-2 Omicron variant during the fourth wave of pandemic in Iraq Jivan Qasim Ahmed; Sazan Qader Maulud; Rawand Al-Qadi; Teroj Abdulrahman Mohamed; Gahin Abdulraheem Tayib; Akheenk Mustafa Hassan; Luqman Saleh Taha; Khairi Mohammed Qasim; Mohammed Abid Tawfeeq;

Impact of maintenance immunosuppression regimen on anti-SARS-CoV-2 antibody and cellular kinetics in kidney transplant recipients receiving ChAdOx1 as primary vaccination Julia Soares Reis; Roberto Matias Souza; Helio Tedesco-Silva; Lúcio Requião-Moura; José Medina Pestana; Renato Demarchi Foresto;

SARS-CoV-2 investigation in cerebrospinal fluid from meningitis patients during the first pandemic wave Maria Cecilia Cergole-Novella; Thayná Rosa Bispo; Elaine Monteiro Matsuda; Daniela Rodrigues Colpas; Ivana Barros de Campos;