title: Review of the 2012–2013 winter influenza season, northern hemisphere.
mesh_terms: D000352:Africa, Northern / Q000453:epidemiology; D000956:Antigens, Viral; D001208:Asia / Q000453:epidemiology; D005060:Europe / Q000453:epidemiology; D006801:Humans; D007252:Influenza Vaccines / Q000276:immunology; D007251:Influenza, Human / Q000453:epidemiology* / Q000635:transmission / Q000821:virology; D008826:Microbial Sensitivity Tests; D008877:Middle East / Q000453:epidemiology; D009656:North America / Q000453:epidemiology; D009975:Orthomyxoviridae / Q000276:immunology; D012621:Seasons
chemical_list: D000956:Antigens, Viral; D007252:Influenza Vaccines