title: Reply to letter to the editor.
authors.affiliation: Fraser Health Authority, #400, 13450 102nd Avenue, Surrey, BC V3T 0H1, Canada. Electronic address: pjvb@iinet.net.au.
authors.forename: P G
authors.initials: PG
authors.lastname: Van Buynder
mesh_terms: D000276:Adjuvants, Immunologic / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D007252:Influenza Vaccines / Q000008:administration & dosage* / Q000276:immunology*; D007251:Influenza, Human / Q000517:prevention & control*; D008297:Male; D011136:Polysorbates / Q000008:administration & dosage*; D013185:Squalene / Q000008:administration & dosage*
chemical_list: D000276:Adjuvants, Immunologic; D007252:Influenza Vaccines; D011136:Polysorbates; D013185:Squalene