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;

Demographic, epidemiological and clinical profile of patients with post-COVID syndrome followed at a teaching hospital in Brazil João Paulo Borges de Melo; Alex Eduardo da Silva; Leandro Resende Yamamoto; Taciana Fernandes Araújo Ferreira; Gustavo José Luvizutto; Fernando Freitas Neves; Kelly Cristina Santos; Roger Lopes Batista; Isabel Cunha Santos; Francielle Schiavoni; Mario León Silva-Vergara;

Vaccination with outer membrane vesicles from Neisseria Meningitidis and SBa15, SBa16 mesoporous silica associated with SARS-CoV-2 induces protective humoral and cellular response against COVID-19 in mice Bruno Gaia Bernardes; Andrew Douglas Moura; João Paulo de Oliveira Guarnieri; Carlos Fernando Macedo da Silva; Hernan Hermes M. da Costa; Ingrid Gracielle Martins da Silva; Karine Brenda Barros Cordeiro; Sônia Nair Báo; Carlos Roberto Prudêncio; Marcelo Lancellotti;