Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Serosurveillance of influenza A virus exposure in the Norwegian pig population between 2009 and 2017
| Immunogen/antigen subtype | Positive |
|---|---|
| H1N1pdm09 | 8200 |
| swH1N1 | 5164 |
| swH1N2 | 395 |
| swH3N2 | 12 |
| Total | 13 771 |
A breakdown on immunogenic/antigenic subtypes identified by haemagglutination inhibition titre (HAIT ≥40) on pigs' sera (n = 8,219) with pigs tested positive for influenza A virus by ELISA (titre level ≥40).
