Gamma variant vertically transmitted from a mild symptomatic pregnant woman associated with fatal neonatal COVID - Ferri, Walusa Assad Gonçalves; Carvalheiro, Cristina Gardonyi; Mussi-Pinhata, Marisa Márcia; Cavasin, Bruna Pinto Dias; Fonseca, Benedito Antonio Lopes da (The Brazilian Journal of Infectious Diseases, 2022)