Genetic analysis and comparative virulence of infectious salmon anemia virus (ISAV) types HPR7a and HPR7b from recent field outbreaks in Chile

Table 1 General characteristics of six cases included in this study

Company	Company 1	Company 2
Case	218, 220, 11732	272, 302, 304
Species	Atlantic salmon (Salmo salar)	Atlantic salmon (Salmo salar)
Geographical area	Melinka	Chiloé
Average weight (g)	3539	1104
Date of first detection	05-12-2013	29-01-2014
Total fish affected	360,129	852,443
Percent weekly mortality	0.0198	0.0071
Percent monthly mortality	0.0642	0.0211
Percent cumulative mortality	0.1792	0.2294
Other diseases	Salmonid rickettsial septicemia (SRS), Heart and skeletal muscle inflammation (HSMI); Caligidosis.	Salmonid rickettsial septicemia (SRS); Caligidosis.

The data was provided by the affected companies and National fisheries Service (SERNAPESCA); case represents a field sample.
SRS: Infection by Piscirickettsia salmonis.
HSMI: Associated with infection by piscine orthoreovirus.
Caligidosis: Infection by Caligus rogercresseyi.

ISSN: 1743-422X