A recommendation of PHTALOX® for preventing infection and progression of COVID-19: a 1-year summarized update of scientific approaches [Letter] - Orcina, Bernardo da Fonseca; Reia, Verônica Caroline Brito; Simão, Andrea Name Colado; Lonni, Audrey Alesandra Stinghen Garcia; Fernandes, Thais Maria Freire; Poleti, Marcelo Lupion; Vilhena, Fabiano Vieira; Santos, Paulo Sérgio da Silva (GMS Hygiene and Infection Control, 2022)