Table 1.
Comparative hemagglutination inhibition assay assessment of 1A.1.1 (alpha) lineage A(H1N2)v viruses.
| Ferret Antisera | ||||||
|---|---|---|---|---|---|---|
| REFERENCE ANTIGENS | Subtype (Lineage) | ID/7 | OH/24 | IDCDC-RG59 | Childa | Adultb |
| A/Idaho/7/2018 | A(H1N1)pdm09 | 2560 | 80 | 40 | 1280 | 1280 |
| A/Ohio/24/2017 | A(H1N2)v (1A.1.1; alpha) | 320 | 2560 | 640 | NT | 20 |
| IDCDC-RG59 (A/OH/24/2017-like) | A(H1N2)v (1A.1.1; alpha) | 160 | 2560 | 1280 | 40 | 20 |
| TEST ANTIGENS | ||||||
| A/Alberta/1/2020 | A(H1N2)v (1A.1.1; alpha) | <10 | <10 | <10 | <10 | 20 |
a
post-vaccine (2019–2020) immune serum pool from child (0-3 years-old) vaccinees.
b
post-vaccine (2019–2020) immune serum pool from adult (19-49 years-old) vaccinees.
NT-not tested.