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The latest issue of ECDC?s series of technical documents on 'Influenza virus characterisation? covers the time period from January 2012 to June 2012.
In the first six months of the year, the WHO Collaborating Centre for Reference and Research on Influenza at the MRC National Institute for Medical Research in London received and analysed a total of 426 virus samples, submitted by 23 EU/EAA countries. The results showed that all A(H3N2) viruses sequenced fell within five genetic groups, and that these groups have predominated over A(H1N1)pdm09 viruses.
Following further details on the analysis of influenza A(H1N1)pdm09 and influenza A(H3N2) viruses, the report provides eight phylogenetic tree charts, produced by the Community Network of Reference Laboratories (CNRL) for Human Influenza in Europe, that graphically represent the proportion of nucleotide changes in the viruses? DNA sequence. The tree charts are supplemented by several tables that list the results of the antigenic analyses of several virus types, including the now-dominant A(H3N2) viruses.
For further details, please download the complete report 'Influenza virus characterisation - Summary Europe, June 2012'
Read more on ECDC website:
Seasonal influenza health topic
In the first six months of the year, the WHO Collaborating Centre for Reference and Research on Influenza at the MRC National Institute for Medical Research in London received and analysed a total of 426 virus samples, submitted by 23 EU/EAA countries. The results showed that all A(H3N2) viruses sequenced fell within five genetic groups, and that these groups have predominated over A(H1N1)pdm09 viruses.
Following further details on the analysis of influenza A(H1N1)pdm09 and influenza A(H3N2) viruses, the report provides eight phylogenetic tree charts, produced by the Community Network of Reference Laboratories (CNRL) for Human Influenza in Europe, that graphically represent the proportion of nucleotide changes in the viruses? DNA sequence. The tree charts are supplemented by several tables that list the results of the antigenic analyses of several virus types, including the now-dominant A(H3N2) viruses.
For further details, please download the complete report 'Influenza virus characterisation - Summary Europe, June 2012'
Read more on ECDC website:
Seasonal influenza health topic
