Pandemic phase level 4: human cases of the novel influenza A/H1N1 strain confirmed in Scotland and Spain.
European Centre for Disease Prevention and Control, Stockholm, Sweden. eurosurveillance@ecdc.europa.eu
D004196:Disease Outbreaks / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D015994:Incidence; D053118:Influenza A Virus, H1N1 Subtype / Q000302:isolation & purification*; D007251:Influenza, Human / Q000453:epidemiology* / Q000382:microbiology*; D008297:Male; D011159:Population Surveillance; D018570:Risk Assessment / Q000379:methods*; D012307:Risk Factors; D012606:Scotland / Q000453:epidemiology; D013030:Spain / Q000453:epidemiology; D055815:Young Adult