WHITE SPOT DISEASE IN THE UNITED STATES OF AMERICA: in a shrimp farm
Information received on 20 April 2004 from Dr Peter Fernandez, Associate Administrator, Animal and Plant Health Inspection Service, United States Department of Agriculture (USDA), Washington, DC:
Report date : 15 April 2004.
Nature of diagnosis: clinical, post-mortem and laboratory.
Date of initial detection of animal health incident : 14 April 2004.
Estimated date of primary infection : 1 April 2004.
Location - State of Hawaii, island of Kaua'I
No. of outbreaks - 1
Description of affected population : commercial shrimp grower operation.
Total number of animals in the outbreak:
Species: cru, susceptible: 16,000,000, cases : 6,800,000, deaths: 5,600,000, destroyed: 1,200,000, slaughtered: 0
A. Laboratory where diagnosis was made: University of Arizona.
B. Diagnostic tests used: histological examination. PCR(1) to follow.
Source of agent / origin of infection: unknown. Epidemiological investigations are in progress.
Control measures: quarantine and movement control inside the country.
(1) PCR: polymerase chain reaction