Meztlli O. Gaytán2 articles listing Meztlli O. Gaytán in PNAS, indexed by Paperzzz from Crossref and OSF.Pneumococcal membrane particles promote serotype-independent cellular and humoral immunity and protect against pneumococcal colonization PNASIdentification of immunostimulatory antigens in Group A Streptococcus –derived vesicles PNAS