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Vaccination
Management
Disease Information
A PMWS update (Jake Waddilove)
ABOUT PMWS & PDNS
National Pork Board PMWS Fact Sheet
About PDNS (Jake Waddilive)
CEI Emerging Disease Notices: PMWS / PDNS
Conference and meetings archive
Case Histories
Yorkshire Farm, UK - Mike Muirhead - Final Update, June 2002
Mike Muirhead's case history of a Yorkshire farm with PMWS and PDNS.
East Anglia Farm, UK - Philip Richardson
This paper charts the course and effects of the disease on a single herd as well as highlighting the economic impact.
Photographs
Clinical signs
Photos of the clinical signs that are seen generally in pigs with PMWS and PDNS. Includes skin lesions, enlarged lymph glands, wasting and dead pigs.
Post mortem (1)
Photos of the signs that are seen in post-mortem samples of pigs with PMWS and PDNS. Includes interstitial pneumonia, secondary bacterial infection, enlarged lymph nodes, oedema and intra cytoplasmic inclusions
Post mortem (2)
More Photos of the signs that are seen in post-mortem samples of pigs with PMWS and PDNS.


PMWS Research Archives

Published Friday, January 20, 2012: Virology, Volume 422, Issue 2, 20 January 2012, Pages 161-164
Low levels of Diversity Among Genomes of Porcine Circovirus Type 1 (PCV1) Points to Differential Adaptive Selection Between Porcine Circoviruses
Martí Cortey, Joaquim Segalés
Several features related with the evolutionary patterns among all the PCV1 genomes available at GenBank have been analyzed in the present work (diversity, number of genotypes, recombination, saturation, selection, evolutionary rate). The reported results point to low levels of nucleotide and amino acid diversity, low number of positively selected codons and a slow evolution rate. Compared with the other species of the Circoviridae family, the diversity is the lowest reported. This can be related with the fact that PCV1 is the single non-pathogenic member of the family. Overall, differential levels of adaptive evolution between PCV1 and PCV2 may explain the different diversity levels, and the different evolutionary and selection rates observed.

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