Volume 29, Number 7—July 2023
Dispatch
Surveillance and Genomic Characterization of Influenza A and D Viruses in Swine, Belgium and the Netherlands, 2019–2021
Anna Parys, Nick Vereecke, Elien Vandoorn, Sebastiaan Theuns, and Kristien Van Reeth
Table 1
Overview of swine influenza A virus isolates from pigs in Belgium and the Netherlands, November 2019–December 2021
| Subtype | Lineage | No. isolates/y |
Total, N = 62 | ||
|---|---|---|---|---|---|
| 2019, n = 4 | 2020, n = 34 | 2021, n = 24 | |||
| H1N1 | H1avN1av | 1 | 17 | 12 | 30 |
| pH1N1av | 0 | 2 | 1 | 3 | |
| H1huN1av |
0 |
0 |
1 |
1 |
|
| H1N2 | H1huN2 | 2 | 8 | 3 | 13 |
| pH1N2 | 1 | 5 | 7 | 13 | |
| H1avN2 |
0 |
1 |
0 |
1 |
|
| H3N2 | H3huN2 | 0 | 1 | 0 | 1 |
*av, European avian-like; hu, European human-like; p, 2009 pandemic
Page created: June 12, 2023
Page updated: June 20, 2023
Page reviewed: June 20, 2023
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.