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Fw: PRO/AH/EDR> Rabbit hemorrhagic disease - New Zealand

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  • Pamela Alley
    ... From: ProMED-mail To: Sent: Thursday, August 05, 2004 8:38 PM Subject: PRO/AH/EDR
    Message 1 of 1 , Aug 5, 2004
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      ----- Original Message -----
      From: ProMED-mail <promed@...>
      To: <promed-ahead-edr@...>
      Sent: Thursday, August 05, 2004 8:38 PM
      Subject: PRO/AH/EDR> Rabbit hemorrhagic disease - New Zealand


      > RABBIT HEMORRHAGIC DISEASE - NEW ZEALAND
      > *******************************************
      > A ProMED-mail program
      > <http://www.promedmail.org>
      > ProMED-mail, a program of the
      > International Society for Infectious Diseases
      > <http://www.isid.org>
      >
      > Date: 5 Aug 2004
      > From: Luiz J. da Silva <ljsilva@...>
      > Source: The New Zealand Herald, 5 Aug 2004 [edited]
      >
      <http://www.nzherald.co.nz/latestnewsstory.cfm?storyID=3582413&thesection=ne
      ws&thesubsection=general>
      >
      >
      > RHD virus kills Northland rabbits
      > --------------------------------------
      > A warning about a killer virus has come too late for at least 14 pet
      > rabbits in Whangarei, 9 of them at an animal park.
      >
      > Northland Regional Council (NRC) biosecurity operations supervisor Carl
      > Cooper said people with pet rabbits needed to have them vaccinated against
      > rabbit haemorrhagic disease (RHD), which is making its presence felt in
      > Northland.
      >
      > However, 9 rabbits have already died at Serendipity Farm Park, and another
      > 5 on a property owned by a neighbor.
      >
      > [The] park owner said last night she was devastated by the deaths of the 9
      > domesticated female rabbits within 3 days. Another rabbit had also come
      > down with the virus. [She] said a wild male rabbit had probably passed
      the
      > virus on.
      >
      > "We thought we were safe, because of our situation here, but nobody
      > is. People must get them (pet rabbits) vaccinated if they want their pets
      > to survive," she said.
      >
      > A neighbor had 7 domesticated rabbits, 5 of which died.
      >
      > "A wild rabbit was sitting on the hutch one day and the next day rabbits
      > started dying," [the neighbor] said.
      >
      > Agriquality veterinarian Hugh Black said the virus was passed on through
      > the exchange of respiratory secretions.
      >
      > "They breathe it over each other," Mr Black said.
      >
      > Mr Black said the virus appeared in cycles due to some rabbits carrying it
      > and surviving and then kicking it off again. Mr Cooper said juvenile
      > rabbits, under 12 weeks old, tended to build immunity to the virus but
      that
      > immunity was not passed on to their offspring. The virus reduced wild
      > rabbit populations by 40 to 60 percent but was not a "magic bullet", Mr
      > Cooper said.
      >
      > NRC is among 10 regional councils represented in an application to import
      > and register RHD which is being co-ordinated by Southland's regional
      > council, Environment Southland.
      >
      > The virus kills rabbits by causing blood clots in major organs. It is
      > specific to rabbits and cannot be passed on to other animals or people.
      >
      > It was apparently brought to Northland about 4 years ago by people wanting
      > to control wild rabbits. RHD was first released illegally into New Zealand
      > in 1997.
      >
      > --
      > ProMED-mail
      > <promed@...>
      >
      > [Rabbit hemorrhagic disease (RHD) is a contagious, infectious, viral
      > disease among rabbits.
      >
      > Contact with infected rabbits, rabbit products, rodents, and contaminated
      > objects, such as cages, feeders, and clothing can spread the disease.
      > Infected droplets may spread the virus short distances through the
      > air. The risk of spread of RHD is higher when confined rabbits are in
      > close contact with each other. Infected rabbits that recover may become
      > carriers of the virus and may shed virus for at least 4 weeks.
      >
      > RHD has an incubation time of 24 to 48 hours and damages the liver,
      > intestines, and lymphatic tissue and causes terminal massive blood clots.
      > Young adult and adult rabbits suddenly die, within 6 to 24 hours of the
      > onset of fever, with few clinical signs. Fever may be as high as 105
      > degrees F (40.5C) but often is not detected until rabbits show terminal
      > clinical signs.
      >
      > Animals appear depressed or reluctant to move in the last hours and may
      > show a variety of neurologic signs, including excitement, incoordination,
      > paddling, and an abnormal position of the head due to spasms of the
      muscles
      > at the top and back of the neck (opisthotonos). Some affected rabbits may
      > have a foamy nasal discharge. The death rate for RHD ranges
      > from 50 to 100 percent.
      >
      > Vaccination is available for domestic rabbits in some countries. - Mod.TG]
      >
      > [see also:
      > 1997
      > ----
      > Rabbit hem. dis. virus introduced - New Zealand (12) 19970930.2065
      > Rabbit viral hemorrhagic disease (14) 19970928.2048
      > Rabbit hem. dis. virus introduced - New Zealand (11) 19970924.2013
      > Rabbit viral hemorrhagic disease (13) 19970924.2010
      > Rabbit hem. dis. virus introduced - New Zealand (10) 19970910.1946
      > Rabbit hem. dis. virus introduced - New Zealand (09) 19970903.1867
      > Rabbit hem. dis. virus introduced - New Zealand (08) 19970903.1866
      > Rabbit hem. dis. virus introduced - New Zealand (07) 19970903.1865
      > Rabbit hem. dis. virus introduced - New Zealand (06) 19970829.1844
      > Rabbit hem. dis. virus introduced - New Zealand (05) 19970829.1843
      > Rabbit hem. dis. virus introduced - New Zealand (05) 19970829.1842
      > Rabbit hemorrhagic disease virus introduced - New Zealand (04)
      19970828.1820
      > Rabbit hemorrhagic disease virus introduced - New Zealand (02)
      19970827.1811
      > Rabbit hemorrhagic disease virus introduced - New Zealand 19970827.1810
      > Rabbit hemorrhagic disease virus introduced - New Zealand 19970826.1798
      > Rabbit viral hemorrhagic disease (12) 19970712.1479
      > Rabbit hemorrhagic disease virus - New Zealand will not import
      19970703.1424
      > Rabbit viral hemorrhagic disease (11) 19970221.0414
      > Rabbit viral hemorrhagic disease (10) 19970215.0380
      > Rabbit viral hemorrhagic disease (09) 19970203.0238
      > Rabbit viral hemorrhagic disease (08) 19970123.0138
      > Rabbit viral hemorrhagic disease (07) 19970121.0120
      > Rabbit viral hemorrhagic disease (06) 19970117.0096
      > 1996
      > ----
      > Rabbit fleas 19961021.1771
      > Rabbit calicivirus vaccine: RFI 19960924.16
      > Rabbit calicivirus distribution (5) 19960924.1624
      > Rabbit calicivirus & human health (2) 19960922.1616
      > Rabbit calicivirus & human health 19960920.1611
      > Rabbit calicivirus distribution (4) 19960919.1606
      > Rabbit viral hemorrhagic disease (05) 19960711.1246
      > Rabbit viral hemorrhagic diseases (4) 19960206.0260
      > Rabbit calicivirus distribution (3) 19960126.0185
      > Rabbit calicivirus distribution (2) 19960124.0171
      > Rabbit calicivirus distribution 19960112.0075
      > Rabbit viral hemorrhagic diseases - (3) 19960111.0064
      > Rabbit viral hemorrhagic disease (2) 19960110.0044
      > Rabbit viral hemorrhagic diseases - RFI 19960109.0041]
      > ....................tg/pg/mpp
      >
      >
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