Denmark: ECDC update, Feb 11 2011

[Giuseppe]

Source: European Centre for Disease Prevention and Control (ECDC), full PDF document: http://www.ecdc.europa.eu/en/publica...e_Overview.pdf

Denmark (SSI, http://www.ssi.dk/sitecore/content/h...uenza-nyt.aspx ):

• Up to 7 February (week 5/2011), a cumulative total of 109 influenza patients have been reported by intensive care units (ICUs) in Denmark with a median age of 55 years (range 15 months to 83 years).
• Fifteen patients were admitted to an ICU in week 5/2011 compared with 24 new admissions in week 4.
• There is still pressure on the wards, reflected by the proportion of ICU beds used for influenza patients.
• On Monday, 7 February 2011, there were 36 influenza patients in ICUs, corresponding with 10.0% of the total number of occupied ICU beds in the country, compared with 10.2% in the week before.
• Of the ICU patients, 91 were diagnosed with influenza A, 36 of whom were reported to have been further subtyped as A(H1N1)2009.
• Eighteen patients had an influenza B infection.
• Eight patients with influenza A and two patients with influenza B received extracorporeal membrane oxygenation (ECMO).
• Fifteen patients with confirmed influenza A and five with influenza B died.
• Eighteen patients were reported to be previously healthy, and for another 29 patients, no underlying condition was reported.
• For 62 patients, one or more underlying conditions were described.
• One influenza patient was reported to be pregnant.
• Initial alignment with the Danish Vaccination Registry showed that 19 of the 109 patients had received the 2010/2011 seasonal influenza vaccine between weeks 39 and 46 of 2010.
• The other 90 patients were either not vaccinated between weeks 39 and 46 of 2010 or had not been reported to the registry.

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