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Friday, 11 January 2008

FORWARD - Good News

NSW DPI email system has gone belly-up temporarily so I have some time to reply on this issue.
Yes, DPI is working towards declaring the whole of the Purple Zone and State Green in March. There is a lot of work to be done before then but things are on track.
The surveillance testing has to be completed by 29 February to collate the data for presentation to CCEAD and NMG in early March for a declaration prior to Easter.
One of the most dramatic changes that has occurred during the EI outbreak is the linkage between databases and mapping. If you have been to one of our meetings recently where we have maps, with all horse properties shown on Google Earth maps with their infection status shown, you will see there is excellent organisation of lab and property data. This data will have to be provided for the whole purple zone to convince other states that we have, in fact, got no more EI infections present.
We then have to await formal recognition of our status. If this isn't given by 20 March (ie prior to the Royal Easter Show) my prediction is that NSW will act unilaterally to go green.
My advice is that all event organisers and competitors should procede on the basis that there will be no quarantine periods to move from current purple back to green. ie no movement restrictions from 20 March.
If there are any further outbreaks this planned schedule may have to be modified but the outlook looks very favourable.
I'm trying to clarify where and for how long there will need to be some proof of immunity. Currently a proof of immunity will be required for movement in current purple zone from 4 Feb. Will this be needed after 20 March?
DPI accepts that recovered horses are immune to re-infection for 9 months. Therefore this timetable will remove the need to vaccinate any recovered horses. Nor is there a need to provide any boosters to vaccinated horses in previous buffer areas.
If there are any future outbreaks, NSW DPI will create a red dot, put in a 10km vaccination and standstill buffer and vaccinate right up to the IP boundary. What is now accepted is that vaccinating a horse that is about to be challenged or infected will result in a huge reduction in the amount of virus generated. This greatly reduces the chances of future spread. Previously vaccination was stopped 10, 5, 3 or 1 km from infected properties for fear of vaccinating properties where EI was spreading. This information was based on experiences with the old killed vaccines. Future vaccination around outbreaks will be much more aggressive and periods of quarantine much shorter.
This is good news.
Please report any suspect horses to the DPI.

Lorna.

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