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Predominant influenza strains in Asia, Israel, Europe, and North America.
| 2021–2022 | 2022–2023 | |
|---|---|---|
| Central Asia | A(H3N2) | A(H1N1)pdm09 |
| Eastern Asia | B (Victoria) | B (Victoria) |
| Southern Asia | A(H3N2) | A(H3N2) |
| Western Asia | A(H3N2) | A(H1N1)pdm09 + A(H3N2) |
| Israel | A(H3N2) | A(H1N1)pdm09 |
| Northern Europe | A(H3N2) | A(H1N1)pdm09 + A(H3N2) |
| Eastern Europe | A(H3N2) | A(H1N1)pdm09 |
| South-West Europe | A(H3N2) | A(H3N2) |
| North America | A(H3N2) | A(H3N2) |
