Dear All,
I apologize for the layout error I did with the photographs in the version of his exercise posted yesterday. Hope I can fix it now. Diagnostic Exercise #222, contributed Estela Pérez (eperez@unizar.es)¹, Javier Asín², Francisco A. Uzal².
¹Department of Animal Pathology, University of Zaragoza, Zaragoza, Spain.
²California Animal Health and Food Safety laboratory system (CAHFS), University of California-Davis, San Bernardino, CA, USA.

Best Regards
Claudio