TABLE 2.
Mortality rates and mean viral titers in the lung associated with North American H7 IAV infection
| Virus name | Subtype | Mortality (%) | Mean lung titera | Virus detectionb in: |
|
|---|---|---|---|---|---|
| Brain | Intestine | ||||
| A/blue-winged teal/TX/578588/2002 | H7N1 | 100 | 5.45 ± 0.0.17 | 2/5 | 3/5 |
| A/ruddy turnstone/NJ/65/1985 | H7N3 | 100 | 7.00 ± 0.25 | 1/5 | − |
| A/pintail/Alberta/25/2001 | H7N3 | 100 | 5.38 ± 0.63 | 1/4 | − |
| A/mallard/Alberta/195/1989 | H7N3 | 100 | 4.25 | 1/5 | − |
| A/blue-winged teal/TX/AI12-909/2012 | H7N1 | 100 | 6.66 ± 0.48 | 2/5 | |
| A/laughing gull/Delaware Bay/42/2006 | H7N3 | 100 | 6.38 ± 0.88 | 1/5 | − |
| A/shorebird/DE/22/2006 | H7N3 | 100 | 5.27 ± 0.58 | 1/5 | − |
| A/mallard/Alberta/699/1981 | H7N3 | 100 | 5.88 ± 0.38 | 1/4 | − |
| A/mallard/Alberta/93/1996 | H7N3 | 100 | 3.88±.38 | − | − |
| A/mallard/Alberta/590/2010 | H7N8 | 100 | 6.42 ± 0.22 | 2/5 | − |
| A/ruddy turnstone/Delaware Bay/262/2006 | H7N3 | 100 | 6.88 ± 0.63 | 1/5 | − |
| A/blue-winged teal/MN/AI09-3760/2009 | H7N3 | 100 | 6.67 ± 0.24 | 1/5 | − |
| A/mallard/Alberta/243/2006 | H7N3 | 100 | 4.50 ± 0.25 | 1/5 | − |
| A/mallard/Alberta/49/1976 | H7N3 | 100 | 5.58 ± 0.29 | 3/5 | − |
| A/green-winged teaL/Alberta/228/1985 | H7N3 | 100 | 4.88 ± 0.41 | − | 5/5 |
| A/mallard/MN/AI08-5469/2008 | H7N3 | 100 | 6.87 ± 0.56 | 2/5 | 4/5 |
| A/mallard/MN/AI07-3433/2007 | H7N3 | 100 | 6.04 ± 0.05 | 2/5 | − |
| A/shorebird/Delaware Bay/2696/1988 | H7N3 | 80 | 6.37 ± 0.13 | − | − |
| A/ruddy turnstonE/NJ/AI11-2098/2011 | H7N3 | 60 | 4.21 ± 0.18 | − | − |
| A/blue-winged teal/LA/AI11-2911/2011 | H7N3 | 80 | 6.44 ± 0.28 | 2/4 | 4/4 |
| A/mallard/Alberta/167/2010 | H7N3 | 80 | 5.13 ± 0.38 | 1/4 | − |
| A/mallard/Alberta/192/2010 | H7N3 | 80 | 5.99 ± 0.08 | 1/4 | 4/4 |
| A/ruddy turnstone/NJ/AI11-1678/2011 | H7N7 | 80 | 5.84 ± 0.77 | − | − |
| A/ruddy turnstone/Delaware Bay/126/1996 | H7N3 | 60 | 4.88 ± 0.88 | 1/3 | − |
| A/mallard/MN/AI09-3770/2009 | H7N9 | 80 | 5.04 ± 0.92 | − | 3/4 |
| A/laughing gull/DE/AI00-2455/2000 | H7N3 | 40 | 5.70 ± 0.17 | 1/2 | − |
| A/mallard/MN/19033/1999 | H7N7 | 20 | 0 | − | − |
| A/red knot/Delaware Bay/242/1994 | H7N7 | 0 | 6.75 | ND | − |
| A/ruddy turnstone/DE/AI00-1538/2000 | H7N9 | 0 | 0 | ND | − |
| A/shorebird/Delaware Bay/285/1994 | H7N7 | 0 | 6.58 ± 0.23 | ND | − |
a
Viral titers are expressed as EID50/ml ± standard error of the mean.
b
Tissue samples were screened in eggs to determine the number of mice positive per total number screened. ND, not done. −, no animals were positive.