HIGHLY PATHOGENIC AVIAN INFLUENZA IN INDONESIA
Follow-up report No. 6

See also: 6 August 2004, 2 July 2004, 14 May 2004, 9 April 2004, 5 March 2004, 6 February 2004

Information received on 6 October 2004 from Prof. H.R. Wasito, Director General of Livestock Services, Department of Agriculture, Jakarta:

End of previous report period: 30 July 2004 (see Disease Information, 17 [32], 227, dated 6 August 2004).

End of this report period: 6 October 2004.

New outbreaks:

The total number of infected provinces is 15, comprising 98 districts.

Description of affected population in the new outbreaks: layer hens and Arabian chickens.

Number of animals in the new outbreaks:

Diagnosis:

A. Laboratory where diagnosis was made: Disease Investigation Centre Region IV, Yogyakarta.

B. Diagnostic tests used:

- haemagglutination inhibition test;

- pathogenicity test.

C. Causal agent: highly pathogenic avian influenza virus type A, subtype H5N1.

Epidemiology:

A. Source of agent / origin of infection: local contamination.

B. Other epidemiological details: Kediri and Grobogan were previously infected districts but had not reported cases since January 2004.

- The new cases in Kediri occurred in July-August 2004.

- The new cases in Grobogan occurred in September 2004.

Control measures during reporting period:

- quarantine;

- movement control inside the country;

- modified stamping-out;

- vaccination;

- zoning.