Guest guest Posted August 9, 2004 Report Share Posted August 9, 2004 - Ronda Roaring ar-news (AT) googl (DOT) com Monday, August 09, 2004 2:58 PM [AR-News] (RSA) bird flu - ostriches Sun, 8 Aug 2004 18:02:05 -0400 (EDT)ProMED-mail PRO/AH/EDR> Avian influenza, ostriches - South Africa: OIE (03)AVIAN INFLUENZA, OSTRICHES - SOUTH AFRICA: OIE (03)***********************************************A ProMED-mail postProMED-mail is a program of theInternational Society for Infectious Diseases8 Aug 2004ProMED-mail Source: OIE Emergency Messages [edited]Highly pathogenic avian influenza virus (H5N2) in South Africa- --------------(Disease never reported before in South Africa).Information received on 6 Aug 2004 from Dr. Emily Mmamakgaba Mogajane,Assistant Director Ge neral, National Regulatory Services, NationalDepartment of Agriculture, Pretoria.Report date: 6 Aug 2004.Nature of diagnosis: clinical, post-mortem, and laboratory.Date of initial detection of animal health incident: 2 Aug 2004.Estimated date of 1st infection: 21 Jul 2004.An outbreak of avian influenza was detected in ostriches in the EasternCape Province (25 deg 49 mins 00 secs E - 32 deg 58 mins 00 secs S) at thebeginning of August 2004. The disease remains confined to 2 ostrich farmsin the Blue Crane Municipal District.Total number of animals in the outbreak:Susceptible: 9000Cases: 1500Deaths: 1000Laboratory where diagnosis was made: Onderstepoort Veterinary Institute.Diagnostic tests used: hemagglutination (HA), hemagglutination inhibition(HI), RT-PCR (1) and sequencing.Causal agent: avian influenza virus subtype H5N2.Source of agent / origin of infection: unknown , under investigation.Mode of spread: direct and indirect contact.Control measures:- - A 30 km-radius quarantine area has been declared around Middleton, in theEastern Cape Province, to contain and control the disease.- - All ostrich farms surrounding the 2 affected farms were put underquarantine. There are no commercial poultry farms in the area and only verylow numbers of backyard poultry.- - All poultry in the area, including ostriches, will be slaughtered, anddestroyed, as a precautionary measure.- - The movement restrictions are enforced by a road block cordon, and thepublic is advised not to take any poultry (including ostriches, birds, andother fowl) or their products, including eggs, out of, or into, theaffected area.- - Exports of poultry, and poultry products, have been voluntarily stoppeduntil the outbreak has been dealt with successfully.- - Control of wildlife reservoirs.- - Movement control .- - Surveillance.- - Screening.- - Vaccination.No indication of the disease has been seen anywhere else in the country.(1) RT-PCR: reverse transcriptase - polymerase chain reactionAnimal Health Information DepartmentOIE- --ProMED-mail[Although this report correctly indicates the disease has never beenreported before, AI, which was non-pathogenic for poultry, occurred inSouth Africa in 1991. For details of the old outbreak, and a usefulperspective about the current outbreak, see Mod. AS's comments in Avianinfluenza, ostriches - South Africa (02) - Mod.PC][see also:Avian influenza, ostriches - South Africa (02) 20040807.2176Avian influenza, ostriches - South Africa: confirmed 20040806.2154Avian influenza, ostriches - South Africa: susp. 20040805.2140]..........................pc/msp/mpp New and Improved Mail - Send 10MB messages! Quote Link to comment Share on other sites More sharing options...
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