Figure 2From: Infectious salmon anaemia virus (ISAV) in Chilean Atlantic salmon (Salmo salar) aquaculture: emergence of low pathogenic ISAV-HPR0 and re-emergence of virulent ISAV-HPR∆: HPR3 and HPR14 Accumulated monthly frequency of low pathogenic ISAV (ISAV-HPR0) positive farm sites from 2009 to 2013. Back to article page