INFECTIOUS SALMON ANAEMIA IN THE UNITED STATES OF AMERICA
Follow-up report No. 3 (final report)
Information received by OIE on 5 September 2002 from Dr Peter Fernandez, Associate Deputy Administrator, International Services, United States Department of Agriculture (USDA), Washington, DC:
End of previous report period: 9 July 2001 (see Disease Information , 14 , 175, dated 13 July 2001).
End of this report period: 5 September 2002.
As of February 2002, all 17 infectious salmon anemia (ISA) infected and exposed pen sites in the affected areas had been depopulated. Of these 17 sites, six have been re-stocked with smolts, and all smolts have been vaccinated against ISA. All infected and exposed sites were fallowed up to 90 days.
Surveillance activities are currently in place in the Gulf of Maine. All commercial net pen sites are being routinely sampled at monthly intervals. As of August 2002, all samples tested have been negative for ISA.