title: How many events is enough? Are you positive?
authors.affiliation: Vaccine Research Center, NIAID, NIH, Bethesda, Maryland 20892, USA. roederer@nih.gov
authors.forename: Mario
authors.initials: M
authors.lastname: Roederer
mesh_terms: D001699:Biometry; D005434:Flow Cytometry / Q000706:statistics & numerical data*; D006801:Humans; D013601:T-Lymphocytes / Q000276:immunology; D014612:Vaccines / Q000276:immunology / Q000494:pharmacology
chemical_list: D014612:Vaccines