title: Extremely low vaccine effectiveness against influenza H3N2 in the elderly during the 2012/2013 flu season.
authors.affiliation: Shantou University Medical College, 22 Xingling Road, Shantou, GD 515041, People's Republic of China. dkelvin@jidc.org
authors.forename: David J
authors.initials: DJ
authors.lastname: Kelvin
authors.forename: Amber
authors.initials: A
authors.lastname: Farooqui
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000369:Aged, 80 and over; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D053122:Influenza A Virus, H3N2 Subtype / Q000276:immunology*; D007252:Influenza Vaccines / Q000008:administration & dosage / Q000276:immunology*; D007251:Influenza, Human / Q000517:prevention & control* / Q000821:virology; D008297:Male; D008875:Middle Aged; D017211:Treatment Failure; D055815:Young Adult
chemical_list: D007252:Influenza Vaccines