Volume 26, Number 9—September 2020
Research
Detection of H1 Swine Influenza A Virus Antibodies in Human Serum Samples by Age Group1
Table 1
Swine and human H1 influenza A virus strains used in hemagglutination inhibition and virus neutralization assays of human serum samples, Belgium*
Virus strain | Abbreviation | Subtype | Colloquial name H1 | H1 clade | H1 GenBank Accession no. |
---|---|---|---|---|---|
A/swine/Gent/28/2010 | swG10 | H1N1 | European avian-like | 1C.2.1 | KP406525 |
A/swine/Hong Kong/2032/2011 |
swHK11 |
H1N1 |
Asian avian-like |
1C.2.3 |
KM028543 |
A/Taiwan/1/86 | TW86 | H1N1 | Human seasonal | 1B.1-like | X17224 |
A/swine/Gent/26/2012 |
swG12 |
H1N2 |
European human-like |
1B.1.2.1 |
KP406526 |
A/New Caledonia/20/99 | NC99 | H1N1 | Human seasonal | 1B.2-like | DQ508857 |
A/swine/Alabama/A01104091/2016 | swAL16 | H1N2 | North American human-like δ1a | 1B.2.2.1 | KX247675 |
A/swine/Illinois/A01047020/2010 | swIL10 | H1N2 | North American human-like δ1b | 1B.2.2.2 | JQ756323 |
A/swine/Oklahoma/A01290605/2013 |
swOK13 |
H1N1 |
North American human-like δ1b |
1B.2.2.2 |
KF791395 |
A/Brisbane/59/2007 |
BR07 |
H1N1 |
Human seasonal |
1B.2-like |
CY058487 |
A/swine/Ohio/511445/2007 | swOH07 | H1N1 | North American classical swine γ | 1A.3.3.3 | EU604689 |
A/California/04/2009 | CA09 | pH1N1 | 2009 pandemic | 1A.3.3.2 | FJ966082 |
*Viruses are ordered chronologically according to the year of circulation of the selected human test viruses TW86, NC99, BR07, and CA09; horizontal rules within table represent grouping of epidemiologically related human and swine influenza A viruses, with the oldest (ancestor) virus mentioned first.
1Preliminary results from this study were presented at the Fourth International Symposium on Neglected Influenza Viruses, April 18–20, 2018, Brighton, United Kingdom; at the BELVIR conference, December 20, 2018, Brussels, Belgium; and at the 1918 Pandemic Conference, February 7–8, 2019, Ypres, Belgium.