Cross-sectional study on protective antibodies against influenza A virus subtypes and cross-protection against influenza A(H3N2) subclade K, Portugal, August 2025
The 2025/26 season was marked by co-circulation of influenza A subtypes, with the first detection of A(H3N2) subclade K in September 2025. In August 2025 in Portugal, 14.8% (95% CI: 12.2–17.8) of 886 persons tested had cross-protective antibodies against this subclade. The overall seroprevalence aga...
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| Format: | Artigo |
| Langue: | Inglês |
| Publié: |
European Centre for Disease Prevention and Control
2026-02-01
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| Collection: | Eurosurveillance |
| Sujets: | |
| Accès en ligne: | https://www.eurosurveillance.org/content/10.2807/1560-7917.ES.2026.31.6.2600070 |
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