Volume 14, Number 6—June 2008
Research
Influenza A Virus (H3N8) in Dogs with Respiratory Disease, Florida
Sunchai Payungporn*, P. Cynda Crawford†, Theodore S. Kouo*, Li-mei Chen*, Justine Pompey*, William L. Castleman†, Edward J. Dubovi‡, Jacqueline M. Katz*, and Ruben O. Donis*
Table 4
Hemagglutination inhibition antibody titers to older and contemporary equine viruses and canine influenza viruses*
| Virus | Serum sample no. |
||||||||
|---|---|---|---|---|---|---|---|---|---|
| Equine† |
Canine‡ |
Ferret§ |
|||||||
| 65694 | 73147 | 84376 | 13 | 25 | 27 | A/canine/Florida/43/2004 | |||
| A/equine/Miami/63 | 40 | 40 | 160 | <10 | <10 | 10 | 16 | ||
| A/equine/Kentucky/86 | 40 | 40 | 160 | 10 | 40 | 40 | 32 | ||
| A/equine/Kentucky/92 | 40 | 20 | 80 | <10 | <10 | 10 | 32 | ||
| A/equine/NewYork/99 | 320 | 40 | 320 | 40 | 160 | 40 | 128 | ||
| A/equine/Kentucky/05/2002 | 320 | 40 | 320 | 40 | 160 | 160 | 256 | ||
| A/equine/Massachussetts/213/2003 | 640 | 80 | 320 | 40 | 160 | 160 | 512 | ||
| A/equine/Ohio/01/2003 | 640 | 80 | 320 | 80 | 320 | 160 | 512 | ||
| A/canine/Florida/242/2003 | 160 | 40 | 320 | 40 | 160 | 160 | 512 | ||
| A/canine/Texas/2004 | 160 | 40 | 320 | 40 | 160 | 160 | 512 | ||
| A/canine/Florida/43/2004 | 160 | 40 | 320 | 40 | 160 | 80 | 512 | ||
| A/canine/Miami/2005 | 320 | 40 | 320 | 40 | 160 | 80 | 256 | ||
| A/canine/Jacksonville/2005 | 40 | 10 | 80 | 20 | 40 | 40 | 128 | ||
*The antibody titer is the reciprocal of the highest serum dilution that inhibited hemagglutination by the virus.
†Serum from horses infected with equine influenza virus in 2005.
‡Serum from dogs infected with canine influenza virus in 2005.
§Serum from ferrets infected with A/canine/Florida/43/2004 (H3N8).
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