Table 2.
Hemagglutination of erythrocytes from birds, humans, swine, and horses by A/AB/Kor/CN5/09 (H6N5) and comparison viruses
| Virus isolatea | Subtype | Hemagglutination titer (HAU) of erythrocytes from indicated speciesb |
|||||
|---|---|---|---|---|---|---|---|
| Turkeyc | Guinea pigc | Humanc | Chickend | Swinee | Horsef | ||
| Avian isolate | |||||||
| A/AB/Kor/CN5/09 | H6N5 | 512 | 320 | 128 | 256 | <2 | 64 |
| A/AB/Kor/W69/05 | H6N5 | 64 | 64 | 20 | 32 | <2 | 16 |
| Human isolate | |||||||
| A/Puerto Rico/8/34 | H1N1 | 2,048 | 512 | 640 | 1,024 | <2 | <2 |
| A/Philippines/2/82 | H3N2 | 1,024 | 1,024 | 512 | 1,024 | <2 | 32 |
| Swine isolate | |||||||
| A/Swine/Kor/GC0503/05 | H1N1 | 1,024 | 256 | 256 | 512 | <2 | <2 |
| A/Swine/Kor/GC04N7/05 | H3N2 | 256 | 64 | 128 | 256 | 32 | <2 |
a
AB, aquatic bird; Kor, Korea.
b
Titers are expressed as the reciprocal of the highest virus dilution that yields complete HA agglutination. HAU, hemagglutination unit.
c
Neu5Acα2,6Gal > Neu5Acα2,3Gal.
d
Neu5Acα2,6Gal < Neu5Acα2,3Gal.
e
Neu5Gcα2,6Gal > Neu5Gcα2,3Gal.
f
Neu5Gcα2,3Gal.