Abstract

First occurrence of white spot disease in Hawaii, USA

OIE
WAHIS - WOAH Disease Information (on-line)
17
17
2004
WHITE SPOT DISEASE IN THE UNITED STATES OF AMERICA: in a shrimp farm

Emergency report
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.

Outbreaks:
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

Diagnosis:
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
WOAH