title: Reply to Chughtai et al.
authors.affiliation: Epidemic Intelligence Service Program Influenza Division, Centers for Disease Control and Prevention, Atlanta, Georgia.
authors.forename: Carmen S
authors.initials: CS
authors.lastname: Arriola
authors.affiliation: Influenza Division, Centers for Disease Control and Prevention, Atlanta, Georgia.
authors.forename: Sandra S
authors.initials: SS
authors.lastname: Chaves
mesh_terms: D005260:Female; D006801:Humans; D007252:Influenza Vaccines / Q000276:immunology*; D007251:Influenza, Human / Q000276:immunology*; D008297:Male; D011014:Pneumonia / Q000175:diagnosis*; D014611:Vaccination
chemical_list: D007252:Influenza Vaccines