The Omicron Lineages BA.1 and BA.2 (Betacoronavirus SARS-CoV-2) Have Repeatedly Entered Brazil through a Single Dispersal Hub. - Lamarca AP; Souza UJB; Moreira FRR; Almeida LGP; Menezes MT; Souza AB; Ferreira ACS; Gerber AL; Lima AB; Guimarães APC; Cavalcanti AC; Silva ABPE; et al. (Viruses, 2023)