Immune sera Viruses Anti A/Guandgong-Maonan/SWL1536/2019 A(H1N1)pdm09 Anti A/Brisbane/2/2018 A(H1N1pdm09 Anti A/Victoria/2570/2019 A(H1N1)pdm09 N156K
A/Guandgong-Maonan/SWL1536/2019 A(H1N1)pdm09 2560 5120 640
A/Brisbane/2/2018 A(H1N1)pdm09
1280
2560
20
A/Baden-Württemberg/139/20 A(H1N1)pdm09 640 2560 20
A/Victoria/2570/2019 A(H1N1)pdm09 N156K 80 320 1280
A/Brandenburg/8/2020 A(H1N1)pdm09 N156K 160 320 1280