Volume 26, Number 12—December 2020
Research
Equine-Like H3 Avian Influenza Viruses in Wild Birds, Chile
Table 2
Hemagglutination inhibition assay used for analysis of equine-like H3 avian influenza viruses in wild birds, Chile*
Virus |
Subtype |
Ferret antiserum titers |
||
eq/Miami/1963 |
eq/NY/2016 |
YBP/Chile/2015 |
||
A/equine/Miami/1/1963 | H3N8 | 1:640 | <1:10 | <1:10 |
A/equine/NY/2016 | H3N8 | 1:1,280 | 1:640 | <1:10 |
A/yellow-billed pintail/Chile/2015 |
H3N6 |
<1:10 |
<1:10 |
1:160 |
Test viruses | ||||
A/equine/Uruguay/1/1963 | H3N8 | 1:320 | <1:10 | <1:10 |
A/equine/Chile/EQCL003/2018 | H3N8 | 1:640 | 1:320 | NT |
A/red-fronted coot/Chile/5/2013 | H3N6 | <1:10 | <1:10 | 1:160 |
A/red-gartered coot/Chile/C16030/2016 | H3N4 | <1:10 | <1:10 | 1:80 |
A/mallard/Oregon/449221–105/2006 | H3N6 | <1:10 | <1:10 | <1:10 |
A/duck/Minnesota/34/1976 | H3N8 | <1:10 | <1:10 | <1:10 |
A/mallard/Wisconsin/22/1974 | H3N5 | <1:10 | <1:10 | <1:10 |
A/blue winged teal/Wisconsin/279/1975 | H3N8 | <1:10 | <1:10 | <1:10 |
A/green winged teal/Alaska/292/2011 | H3N8 | <1:10 | <1:10 | <1:10 |
A/northern pintail/Alaska/496/2012 | H3N8 | <1:10 | <1:10 | <1:10 |
A/northern pintail/Alaska/870/2014 | H3N8 | <1:10 | <1:10 | <1:10 |
*Bold indicates homologous serum inhibition values. eq/Miami/1963, A/equine/Miami/1/1963; eq/NY/2016, A/equine/NY/2016; YBP/Chile/2015, A/yellow-billed pintail/Chile/2015; NT, not tested.
1These authors contributed equally to this article.