Martins, Antônio Diogo, Lucas Cabral, Pedro Jorge Chaves Mourão, Ivandro Claudino de Sá, José Maria Monteiro, and Javam Machado. " COVID19.BR: A Dataset of Misinformation about COVID-19 in Brazilian Portuguese WhatsApp Messages." Anais do III Dataset Showcase Workshop, Rio de Janeiro, 2021. SBC, 2021, pp.138-147.