title: Swine flu: One killer virus, three key questions.
authors.forename: Brendan
authors.initials: B
authors.lastname: Maher
authors.forename: Declan
authors.initials: D
authors.lastname: Butler
mesh_terms: D000328:Adult; D000818:Animals; D002648:Child; D003264:Containment of Biohazards / Q000295:instrumentation / Q000379:methods; D004196:Disease Outbreaks; D005260:Female; D005289:Ferrets / Q000821:virology; D006168:Guinea Pigs; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype / Q000235:genetics / Q000472:pathogenicity*; D053124:Influenza A Virus, H5N1 Subtype / Q000235:genetics / Q000472:pathogenicity; D007251:Influenza, Human / Q000453:epidemiology* / Q000635:transmission / Q000821:virology*; D007753:Laboratories; D008297:Male; D051379:Mice; D016865:Reassortant Viruses / Q000235:genetics / Q000302:isolation & purification / Q000472:pathogenicity; D015163:Superinfection; D014773:Virology / Q000379:methods*