Table 1 Composition of avian H7 HA sequence dataset (background NA subtypes N1, N2, N3 and N7)
From: Evolutionary interactions between haemagglutinin and neuraminidase in avian influenza
| Â | Subtype | |||
|---|---|---|---|---|
All subtypes (253) | H7N1 (62) | H7N2 (75) | H7N3 (69) | H7N7 (47) |
Host order | Â | Â | Â | Â |
Ans. (38) | Ans. (6) | Ans. (6) | Ans. (13) | Ans. (13) |
Gal. (173) | Gal. (39) | Gal. (60) | Gal. (52) | Gal. (22) |
Pathogenicity | Â | Â | Â | Â |
HP (56) | HP (20) | HP (0) | HP (20) | HP (16) |
LP (195) | LP (42) | LP (75) | LP (49) | LP (29) |
Time-span (years) | 1934-2001 | 1978-2006 | 1963-2006 | 1927-2003 |
Location | Â | Â | Â | Â |
Europe (118) | Europe (53) | Europe (5) | Europe (25) | Europe (35) |
Asia (14) | Asia (4) | Asia (4) | Asia (3) | Asia (3) |
Africa (4) | Africa (3) | Africa (0) | Africa (0) | Africa (1) |
Australia (10) | Australia (0) | Australia (0) | Australia (4) | Australia (6) |
N. America (99) | N. America (2) | N. America (66) | N. America (29) | N. America (2) |
S. America (8) | S. America (0) | S. America (0) | S. America (8) | S. America (0) |