COVID-19 in health care workers in a university hospital during the quarantine in São Paulo city Klinger Soares Faíco-Filho; Joseane Mayara Almeida Carvalho; Danielle Dias Conte; Luciano Kleber de Souza Luna; Nancy Bellei;

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;

SARS-CoV-2 sublineages recovered from southern Brazilian cases during Omicron wave in 2023, early introduction of JN.1 Mellanie Fontes-Dutra; Micheli Filippi; Meriane Demoliner; Alexandre Sita; Fernando Rosado Spilki;