From: Ostreid herpesvirus 1 detection and relationship with Crassostrea gigas spat mortality in France between 1998 and 2006
OsHV-1 PCR results
Diagnosed sample
Onset of mortality
Presence of moribund oysters
Absence of moribund oysters
Less than one week
Greater than one week
Positive
78-70%
36-7%
74-52%
19-16%
Negative
34-30%
472-93%
67-48%
102-84%
Total
112
508
141
121