HIV/Aids and COVID-19 in Brazil: in four decades, two antithetical approaches to face serious pandemics Bernardo Galvão-Castro, Maria Fernanda Rios Grassi, Euclides Ayres de Castilho, Dirceu Bartolomeu Greco DOI: 10.1590/0074-02760210071

Challenges and perspectives in research and teaching of host pathogen interaction topics: new post-pandemic times to Brazil and other South American countries Marcel I Ramírez, Rita de Cassia Ruiz, Gessilda de Alcantara Nogueira-Melo, Luiz Claudio Miletti, Mauro Cortez, Melyssa Negri, Giuseppe Palmisano, Jorge González DOI: 10.1590/0074-02760220212

Relevance of national, regional and global virome projects on pandemics prediction, prevention, and control: a social network analysis of GVP-citing articles Bruna de Paula Fonseca, Carlos Medicis Morel DOI: 10.1590/0074-02760230116

Assessment of immune responses to a Comirnaty® booster following CoronaVac® vaccination in healthcare workers Lucas Bochnia-Bueno, Gabriela Mattoso Coelho, Allan Henrique Depieri Cataneo, Camila Zanluca, Laura Holtman Ferreira, Luciano Pamplona de Goes Cavalcanti, Marco Antonio de Freitas Clementino, Juliana Navarro Ueda Yaochite, Hellen Geremias dos Santos, Meri Bordignon Nogueira, Claudia Nunes Duarte dos Santos, Sonia Mara Raboni DOI: 10.1590/0074-02760230239