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Table 1 ANCOVA with host, virulence index in Phase 1 (host specialization phase) and their interaction as factors and the corresponding virulence index in Phase 2 (common host phase) as variable

From: Genotypic but not phenotypic historical contingency revealed by viral experimental evolution

Factors

d.f.

F

P

Virulence expressed on size

Host

3

43.770

<0.001

Virulence Phase 1

1

0.206

0.651

Host × Virulence Phase 1

3

0.651

0.584

Virulence expressed on weight

Host

3

11.294

<0.001

Virulence Phase 1

1

1.599

0.209

Host × Virulence Phase 1

3

1.298

0.279