Emerging Infectious Disease ISSN: 1080-6059

Transmission of Equine Influenza Virus to English Foxhounds

Janet M. Daly*

, Anthony S. Blunden*, Shona MacRae*, Jodi Miller*, Samantha J. Bowman*, Jolanta Kolodziejek†, Norbert Nowotny†, and Ken C. Smith*

Author affiliations: *Animal Health Trust, Kentford, Newmarket, Suffolk, UK; †University of Veterinary Medicine, Vienna, Austria;

Hound no.	Date sampled, 2005	Sex	Year born	Influenza virus strain
Hound no.	Date sampled, 2005	Sex	Year born	A/equine/Newmarket/1/93	A/equine/Newmarket/2/93
1	Jan 21	F	2002	<10	<10
2	Jan 21	M	2002	48	<10
2	Mar 9			46	<10
3	Jan 21	F	2001	<10	<10
4	Jan 21	F	2001	<10	<10
5	Jan 21	F	2002	47	21
5	Mar 9			64	36
6	Jan 21	M	2002	<10	<10
7	Jan 21	M	1999	<10	<10
8	Jan 21	M	2001	<10	<10
9	Jan 21	M	1998	43	<10
10	Jan 21	M	1999	76	54
11	Jan 21	M	1999	<10	<10
12	Jan 21	F	2002	55	28
13	Jan 21	M	1997	<10	<10
14	Jan 21	F	2003	<10	<10
15	Jan 21	M	2001	51	18
16	Jan 21	M	1999	<10	<10
17	Jan 21	F	2002	<10	<10
18	Jan 21	M	2002	13	11
19	Jan 21	M	1999	<10	<10
20	Jan 21	M	2001	<10	<10
20	Mar 9			<10	<10
21	Jan 21	F	2001	<10	<10
22	Jan 21	M	2003	52	25
22	Mar 9			71	40
23	Jan 21	M	2001	51	27
23	Mar 9			55	20
24	Jan 21	F	1999	<10	<10
24	Mar 9			<10	<10
25	Jan 21	F	2002	<10	<10
26	Jan 21	F	2000	<10	<10
26	Mar 9			<10	<10
27	Jan 21	F	1999	<10	<10
28	Jan 21	F	2000	<10	<10
29	Jan 21	F	2002	<10	<10
30	Jan 21	M	2002	<10	<10
30	Mar 9			<10	<10
31	Jan 21	F	1998	<10	<10
32	Jan 21	F	1999	<10	<10
33	Jan 21	M	2003	<10	<10
34	Mar 9	NK	NK	14	<10
35	Mar 9	NK	NK	<10	<10
36	Mar 9	NK	NK	99	54
37	Mar 9	NK	NK	<10	<10
38	Mar 9	NK	NK	<10	<10
39	Mar 9	NK	NK	<10	<10
40	Mar 9	NK	NK	83	33

*Measured by single radial hemolysis (mm²) in serum samples. NK, not known.