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Table 2  A quantitative ultrastructural study on the second enveloping phase of DPV particles in DEF infected by virus.

From: Duck plague virus tegument protein vp22 plays a key role in the secondary envelopment and cell-to-cell spread

Virus

% particles by type

Total Counted

(Virion /Cells)

Mature virus

Immature virus

BAC-CHv

73% (59)

27% (22)

81/5

BAC-CHv-ΔUL49

34% (33)

66% (64)

97/5

BAC-CHv-UL49R

74% (64)

26% (24)

88/5