PRO/AH/EDR> Bluetongue

Published Date: 2012-10-01 15:30:49
Subject: PRO/AH/EDR Bluetongue – Middle East: Palestinian Auth. (WB) ovine, OIE, RFI
Archive Number: 20121001.1318017

A ProMED-mail post
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International Society for Infectious Diseases

Date: Mon 1 Oct 2012

Source: OIE, WAHID (World Animal Health Information Database), weekly disease information 2012; 25(40) [edited]

Bluetongue, Palestinian Auton. Territories [Palestinian Authority]


Information received on (and dated) 28 Sep 2012 from Dr Khawla Salem Njoum, Director of Epidemiology Department, General Directorate of Veterinary Services, Ministry of Agriculture, Ramallah, Palestinian Auton. Territories


Report type: immediate notification

Date of start of the event: 19 Sep 2012

Date of pre-confirmation of the event: 19 Sep 2012

Report date: 28 Sep 2012

Date submitted to OIE: 28 Sep 2012

Reason for notification: reoccurrence of a listed disease

Date of previous occurrence: December 2011

Manifestation of disease: clinical disease

Causal agent: Bluetongue virus

Serotype: pending

Nature of diagnosis: clinical, laboratory (basic), laboratory (advanced)

This event pertains to a defined zone within the country

New outbreaks

Summary of outbreaks

Total outbreaks: 1

Outbreak location: West Bank (Jayous, [Qalqilyah])

Total animals affected

Species / Susceptible / Cases / Deaths / Destroyed / Slaughtered

Sheep / 170 / 5 / 3 / 0 / 0


Source of the outbreak(s) or origin of infection: unknown or inconclusive; illegal movement of animals; vectors

Epidemiological comments: the infected flock raised on a wet area with presence of many small pools.

Control measures

Measures applied: quarantine; movement control inside the country; screening; disinfection of infected premises/establishment(s); no vaccination; no treatment of affected animals

Measures to be applied: vaccination in response to the outbreak(s) [see comment below]

Diagnostic test results

Laboratory name and type: Central Veterinary Laboratory (local laboratory)

Tests and results

Species / Test / Test date / Result

Sheep / antibody detection ELISA / 19 Sep 2012 / Positive

Laboratory name and type: Kimron Institute (regional reference laboratory)

Tests and results

Species / Test / Test date / Result

Sheep / real-time PCR / 20 Sep 2012 / Positive

Future reporting

The event is continuing. Weekly follow-up reports will be submitted.

Communicated by:


[BTV is seasonal in the Middle East (see further). Previous annual reports of the Palestinian Authority (PA) to the OIE on BTV outbreaks in sheep included the following information:

2009: Sep, Oct, Nov, Dec. Reportedly, serotyped as BTV-8.

2010: Jan, Aug, Oct, Dec. Reportedly, serotyped as BTV-8.

2011: Jan, May, Sep, Nov, Dec. Reportedly, untyped.

The information above is presented in WAHID's "Detailed country disease incidence", which is based upon the annual reports of the PA to the OIE.

Information on the serotyping of the 2010 outbreaks (method applied, the identity of the performing laboratory) will be helpful; generally, such information is to be found in the "immediate notifications" and "follow-ups"; no such BTV reports from PA are available for 2010 and 2011.

Results of the serotyping of the 2011 outbreaks, in case performed, as well as of the 2012 (current) outbreak, are anticipated with interest. It will also be helpful to obtain information on the BTV serotypes to be included in the vaccine, which according to the notification above, is to be applied in response to the outbreak.

The location of the reported outbreak is shown on the appended interactive OIE map, at the source URL.

From unofficial sources we are informed that outbreaks of BT have been very recently observed in neighbouring Israel, affecting sheep and also suspected in cattle. In view of the seasonality of BTV, which in Israel traditionally corresponds to the period June-January, such outbreaks are not surprising. During the last 3 decades of the 20th century, the average monthly incidence of BT spelled out as the percentage of the total of hundreds of ovine BTV outbreaks in Israel (occurring every single year except 1980/1981), was about 8 percent (of the grand total) in August, 10 in September, 35 in October, 30 in November, and 10 percent in December. Confirmation of the current cases and additional information, in particular results of serotyping, are expected. - Mod.AS

A HealthMap/ProMED-mail map can be accessed at:]

See Also

Bluetongue, bovine – Israel (02): (HZ) BTV-12, 2010, conf., OIE 20111006.3005
Bluetongue, bovine, ovine – Israel (05): (HZ), BTV-5 1st report, OIE 20091110.3894
Bluetongue, bovine – Palestinian AT: (HE) OIE, susp 20090930.3409
Bluetongue, bovine – Israel (04): (HZ), BTV-8, OIE 20090828.3025
Bluetongue, bovine – Israel (03): BTV-24 20090706.2422
Bluetongue – Middle East: Israel BTV-8; Oman BTV-1,8 20090702.2384
Bluetongue, ovine – Israel, OIE, BTV-24 20090621.2276
Bluetongue, bovine – Israel: OIE, BTV-8 20090530.2008
Bluetongue, ovine – Israel (02): BTV-15 1st report 20070125.0335
Bluetongue, ovine – Israel: OIE 20061128.3376]

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