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THE STORY OF FOX VACCINATION AGAINST RABIES USING A RECOMBINANT VACCINIA-RABIES VIRUS Paul-Pierre PASTORET World Organisation for Animal Health.

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Presentation on theme: "THE STORY OF FOX VACCINATION AGAINST RABIES USING A RECOMBINANT VACCINIA-RABIES VIRUS Paul-Pierre PASTORET World Organisation for Animal Health."— Presentation transcript:

1 THE STORY OF FOX VACCINATION AGAINST RABIES USING A RECOMBINANT VACCINIA-RABIES VIRUS Paul-Pierre PASTORET World Organisation for Animal Health

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6 PREVIOUS STORIES THE FIRST ATTEMPTS TO ELIMINATE FOX RABIES INVOLVED CULLING FOXES BY HUNTING AND GASSING THE DENS; THEY WERE UNSUCCESSFUL

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8 PREVIOUS STORIES 2 THE SECOND STEP WAS TO VACCINATE FOXES AGAINST RABIES BY THE ORAL ROUTE USING ATTENUATED STRAINS OF RABIES VIRUS SUCH AS SADB19 STRAIN

9 PREVIOUS STORIES 3 CONVENTIONALLY ATTENUATED RABIES VIRUS STRAINS ARE STILL PATHOGENIC FOR SOME WILDLIFE SPECIES UNKNOWN SAFETY FOR MAN

10 PREVIOUS STORIES 4 IN BELGIUM:
FIRST TRIALS IN CONFINEMENT WITH ATTENUATED STRAIN SADB19 STRONG OPPOSITION OF VETERINARY AUTHORITIES LARGE-SCALE TRIAL WITH SADB19

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12 THERE WAS ROOM FOR A RECOMBINANT VIRUS THAT COULD BE ADMINISTERED BY THE ORAL ROUTE TO WILDLIFE SPECIES

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14 THE RECOMBINANT VACCINIA-RABIES VACCINE STORY
QUALITY EFFICACY SAFETY FOR THE FOX SAFETY FOR OTHER SPECIES SHARING THE SAME ECOSYSTEM

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16 MORE THAN SEVENTY SPECIES TESTED FOR SAFETY NOWADAYS
SAFETY FOR HUMANS SAFETY FOR BADGERS SAFETY FOR WILD BOARS MORE THAN SEVENTY SPECIES TESTED FOR SAFETY NOWADAYS

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18 THE RECOMBINANT VACCINIA-RABIES VACCINE STORY 2
WILDLIFE MUST BE VACCINATED BY THE ORAL ROUTE; THE DELIVERY SYSTEM (BAITING) IS OF PRIMARY IMPORTANCE

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22 THE RECOMBINANT VACCINIA-RABIES VACCINE STORY 3
FIELD TRIALS: A SMALL AREA ON A MILITARY CAMP A LARGER AREA IN A CONTAMINATED AREA (2000 km2) THE USE OF THE VACCINE ON THE WHOLE CONTAMINATED AREA IN BELGIUM

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24 THE RECOMBINANT VACCINIA-RABIES VACCINE STORY 4
SURVEILLANCE STUDIES: COLLECTING DEAD FOXES RABIES DIAGNOSIS COLLECTING SAMPLES FROM OTHER WILDLIFE SPECIES TETRACYCLINE DETECTION

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26 THE STORY OF THE RECOMBINANT VACCINIA-RABIES VACCINE 5
THE RESULTS : COMPLETE ELIMINATION OF WILDLIFE RABIES IN BELGIUM SHARP DECREASE OF HUMAN POST-EXPOSURE TREATMENTS ELIMINATION OF RABIES IN IN- CONTACT DOMESTIC ANIMALS INCREASE OF FOX POPULATION

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