title: Cases of A/H1N1 flu are nearing epidemic levels in London and West Midlands, say GPs.
authors: Daniel M
authors: DM
authors: Henderson
mesh_terms: D004196:Disease Outbreaks; D004739:England / Q000453:epidemiology; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype; D007251:Influenza, Human / Q000453:epidemiology*