Table 1.
Non-specific inhibition of avian and human influenza viruses by naïve ferret sera as measured in the NI ELLA.
| Type | Host | Subtype/lineagea | Strain | NI titer |
|---|---|---|---|---|
| A | Avian | H4N2 | A/Mallard/Netherlands/8/2007 | 1810 |
| H3N8 | A/Mallard/Netherlands/37/2010 | 28 | ||
| H3N2 | A/Mallard/Netherlands/51/2008 | 160 | ||
| H1N1 | A/Eurasian Wigeon/Netherlands/6/2007 | 14 | ||
| Human | sH1N1 | A/Netherlands/364/2006 | 20 | |
| A/Netherlands/246/2008 | 20 | |||
| pH1N1 | A/Netherlands/602/2009 | 160 | ||
| A/California/04/2009 | 113 | |||
| sH2N2b | NL/57 | 10 | ||
| NL/68 | 160 | |||
| sH3N2 | BI/68 | 640 | ||
| BI/76 | 905 | |||
| NL/82 | 640 | |||
| NL/92 | 2560 | |||
| NL/09 | 80 | |||
| B | Human | Victoria | A/Malaysia/2506/2004 | <10 |
| Yamagata | A/Florida/04/2006 | <10 |
All viruses were tested against two naïve ferret sera. These sera were not treated with RDE or heat inactivation. The geometric mean titer was calculated from these titers.
a
Seasonal (s) and pandemic (p).
b
Recombinant strains containing the internal genes of A/Puerto Rico/8/1934 (H1N1).