From: Ostreid herpesvirus 1 detection and relationship with Crassostrea gigas spat mortality in France between 1998 and 2006
Mediterranean lagoons
Arcachon Bay
Charente-Maritime
Vendée
South Brittany
North Brittany
Normandy
Mean mortality rate
41%
39%
37%
38%
43%
40%
50%
Mean OsHV-1 detection
18%
5%
35%
22%
14%