Table 1.

Description of animals and samples

Group	Sample code	Anamnesis	Analyzed sample
I	H04Bp1F	Five months old, female vizsla; normal temperature, only neurological signs; euthanized; histology: lymphoplasmocytic perivascular encephalitis; previously vaccinated against CD	Urine and urinary bladder
IIa	H05Bp2S	One year old, mixed breed male; respiratory signs; UVHa	Blood
	H05Bp3S	Ten months old mixed breed female; respiratory signs; UVH	Blood
	H05Bp4S	Three years old, mixed breed male; respiratory signs; UVH	Blood
	H05Bp5F	Two years old, mixed breed male; respiratory signs; UVH	Urine
	H05Bp6F	Four months old, female labrador retriever; respiratory, digestive and neurological signs; UVH	Urine
	H05Bp7F	One year old, mixed breed female; respiratory signs; UVH	Urine
IIb	H06Bp8F	4.5 years old, male rottweiler; respiratory signs; UVH	Urine
	H06Bp9S	One year old, mixed breed male; severe respiratory and digestive clinical signs; euthanized; pathological changes, characteristic to CD; UVH	Urine and urinary bladder
	H06Bp10S	1.5 years old mixed breed female; respiratory signs; UVH	Nasal swab
III	H06Ny11	Two years old, mixed breed male; severe respiratory and digestive signs; not vaccinated	Urine
	H06Ny12	One year old mixed breed male; severe respiratory and digestive signs; UVH	Urine
	H06Ny13	2.5 years old mixed breed female; severe respiratory and digestive signs; UVH	Urine

Group I: sample obtained from Budapest (winter of 2004). Group IIa samples obtained from animals at, or retrieved from the Dog Shelter of the City Council of Budapest, during the first period (spring of 2005). Group IIb: samples obtained from animals at, or retrieved from the Dog Shelter of the City Council of Budapest, during the second period (spring and summer of 2006). Group III: samples obtained from Eastern Hungary (winter of 2005).

^aUVH: unknown vaccination history.