TABLE 1.
Estimates of evolutionary divergence over sequence pairs of swine and human H3 HA within and between phylogenetic cladesa
| H3 clade | Within clade (%) | Between clades (%) |
||||
|---|---|---|---|---|---|---|
| C-IV | C-IVA | C-IVB | 3.2010.1 | 3.2010.2 | ||
| C-IV | 8.3 (2.0–12.0) | |||||
| C-IVA | 3.0 (0.0–7.0) | 9.6 (8.4–12.0) | ||||
| C-IVB | 5.2 (0.3–10.1) | 9.8 (9.0–12.0) | 9.0 (8.0–11.0) | |||
| 3.2010.1 | 2.0 (0.0–5.0) | 15.0 (14.0–17.0) | 14.4 (13.0–17.0) | 14.7 (13.0–17.0) | ||
| 3.2010.2 | 0.9 (0.0–2.3) | 15.0 (14.0–16.0) | 14.6 (13.5–16.0) | 14.9 (14.0–16.0) | 7.1 (6.0–9.0) | |
| Hu seasonalb | 2.0 (0.0–4.0) | 14.6 (13.0–16.0) | 14.4 (13.0–16.0) | 14.4 (13.0–16.0) | 6.6 (5.0–8.0) | 2.5 (0.2–5.0) |
a
Ranges of divergence between sequences are shown in parentheses.
b
Hu seasonal, human seasonal IAV from years 2016 to 2020.