Table 1.

Molecular biological and histopathological results for pipistrelle bats found positive for BtAdV-2

Bat host	Species	Age	Sex	Origin	Organ tropism (PCR results)		Histopathological resultsb
					Organ(s) PCR positive	No. of viral DNA copiesa	Histopathological change(s)	Autolysis
198/07	P. pipistrellus	Adult	Male	Bavaria, Germany	Intestine	>1.0 × 106	Lung, nonsuppurative interstitial	+++
					Liver	1.4 × 103	pneumonia (+)
					Kidney	3.1 × 105
199/07	P. pipistrellus	Adult	Female	Bavaria, Germany	Intestine	>1.0 × 106	Lung, nonsuppurative interstitial	++
					Liver	2.0 × 103	pneumonia (++) and
					Kidney	2.0 × 103	leucocytostasis of blood vessels (+++)
200/07	P. pipistrellus	Adult	Male	Bavaria, Germany	Intestine	>1.0 × 106	Lung, nonsuppurative interstitial	++
					Spleen	1.4 × 103	pneumonia (++); spleen,
					Kidney	2.6 × 102	follicular hyperplasia (+++)
279/08	P. pipistrellus	Adult	Male	Lower Saxony, Germany	Intestine	7.9 × 103	Lung, nonsuppurative interstitial pneumonia (++) and leucocytostasis of blood vessels (+++)	+
332/08	P. nathusii	Adult	Male	Bavaria, Germany	Intestine	2.0 × 103	Lung, leucocytostasis of blood	−
					Kidney	3.2 × 101	vessels (+); spleen, follicular hyperplasia (+)
348/08	P. pipistrellus	Subadult	Female	Bavaria, Germany	Intestine	3.2 × 101	Lung, neutrophilic infiltration of	+
					Salivary glands	6.9 × 101	alveolar septa (+); spleen, follicular hyperplasia (+++) and colliquative necrosis (+++)
097/09	P. pipistrellus	Subadult	Male	Bavaria, Germany	Intestine	4.4 × 105	Skin, focal purulent ulcerative dermatitis (+++)	+++
142/09	P. pipistrellus	Subadult	Male	Bavaria, Germany	Intestine	7.9 × 103	Lung, nonsuppurative interstitial pneumonia (++)	−
173/09	P. pipistrellus	Adult	Male	Berlin, Germany	Intestine	3.2 × 101	Spleen, follicular hyperplasia (+)	++
198/09	P. pipistrellus	Juvenile	Male	Berlin, Germany	Intestine	6.7 × 102	Lung, nonsuppurative interstitial pneumonia (+++)	−
199/09	P. pipistrellus	Adult	Male	Berlin, Germany	Intestine	2.9 × 102	Spleen, follicular hyperplasia (++)	−
228/09	P. pipistrellus	Adult	Male	Berlin, Germany	Intestine	1.6 × 101	Spleen, follicular hyperplasia (+++)	+

^aNumber of copies of viral DNA per ml of homogenized organ tissue (average sample size, 8 mm³ per ml).

^bDegree of severity: −, none; +, mild; ++, moderate; +++, severe.