# Commission Decision of 28 April 2008 amending Decision 2002/253/EC laying down case definitions for reporting communicable diseases to the Community network under Decision No 2119/98/EC of the European Parliament and of the Council (notified under document number C(2008) 1589) (Text with EEA relevance) (2008/426/EC), Division: Laboratory criteria

Extent: E+W+S+N.I.

At least one of the following three:
Isolation of a polio virus and intratypic differentiation — Wild polio virus (WPV)
Vaccine derived poliovirus (VDPV) (for the VDPV at least 85 % similarity with vaccine virus in the nucleotide sequences in the VP1 section)
Sabin-like poliovirus: intratypic differentiation performed by a WHO-accredited polio laboratory (for the VDPV a >1 % up to 15 % VP1 sequence difference compared with vaccine virus of the same serotype)

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Source: https://www.legislation.gov.uk/eudn/2008/426/annex/division/POLIOMYELITIS/division/2 (the official version)
Page: https://openlegislation.uk/eu-decision-2008-426/annex/division-POLIOMYELITIS/division-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.