Naveca, Felipe Gomes, Valdinete Nascimento, Victor Costa de Souza, André de Lima Corado, Fernanda Nascimento, George Silva, Ágatha Costa, et al. “COVID-19 in Amazonas, Brazil, Was Driven by the Persistence of Endemic Lineages and P.1 Emergence.” Nature Medicine, May 25, 2021, 1–9. https://doi.org/10.1038/s41591-021-01378-7.

Gaier, Rodrigo Viga. ‘Exclusive: Oxford Study Indicates AstraZeneca Effective against Brazil Variant, Source Says’. Reuters, 5 March 2021. https://www.reuters.com/article/us-health-coronavirus-brazil-variant-exc-idUSKBN2AX1NS.