The Netherlands: A cluster of nosocomial spread involving three cases of pandemic A(H1N1) 2009

[Giuseppe]

[From EuroFlu Weekly Bulletin: (LINK). Extract, edited.]

• Netherlands
  • In week 15 a cluster of nosocomial spread involving three cases of pandemic A(H1N1) 2009 occurred on a hospital ward in the Netherlands. The initial case was hospitalised with pneumonia and in second instance diagnosed for viral infection. When found positive for pandemic A(H1N1) 2009 virus four days after admission all patients in the same room were put into isolation. Two out of three patients in the same room became subsequently positive for pandemic A(H1N1) 2009 virus. By direct sequencing it was confirmed that the viruses of the index case and one of the contacts were identical but unique in the Dutch background set of A(H1N1) 2009 sequences. The viral load of the other contact was too low for direct sequencing. Investigations are ongoing.

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