title: Swine influenza (H1N1): diagnostic dilemmas early in the pandemic.
authors.forename: Burke A
authors.initials: BA
authors.lastname: Cunha
authors.forename: Francisco M
authors.initials: FM
authors.lastname: Pherez
authors.forename: Stephanie
authors.initials: S
authors.lastname: Strollo
mesh_terms: D019411:Clinical Laboratory Techniques; D004196:Disease Outbreaks / Q000517:prevention & control*; D004632:Emergency Medical Services; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype / Q000302:isolation & purification*; D007251:Influenza, Human / Q000175:diagnosis* / Q000453:epidemiology / Q000517:prevention & control / Q000821:virology; D020133:Reverse Transcriptase Polymerase Chain Reaction