Anti-SARS-CoV-2-specific antibodies in human breast milk following SARS-CoV-2 infection during pregnancy: a prospective cohort study oleh Irene Fernández-Buhigas, Nieves Rayo, Julia Cuesta Silos, Berta Serrano, Olga Ocón-Hernández, Bo Wah Leung, Juan Luis Delgado, David Sánchez-Nieves Fernández, Silvia Valle, Laura De Miguel, Aroa Silgado, Ramón Perez Tanoira, Valeria Rolle, Belén Santacruz, Maria M. Gil, Liona C. Poon