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The CVOs of Australia, Canada, New Zealand and the USA initiated a scientific review to evaluate if waiting periods to regain OIE status of FMD free not practising vaccination could be 3 months irrespective of whether vaccinate-to-live or vaccinate-to-die policies were applied.
The authors reviewed the following designated areas reflecting their expertise [historical review of waiting periods; Carriers; Vaccinology; DIVA technology; Post Outbreak Surveillance and Animal Products].
Current science supports eligibility to return to OIE status of FMD free country where vaccination is not practised in 3 months following an outbreak where stamping-out and
emergency vaccination using higher potency vaccines are applied irrespective of whether vaccinate-to-live or vaccinate-to-die policies. This assumes aspects of vaccination affecting
population immunity such as insufficient match, inadequate coverage, incorrect storage, application, maternal antibody etc are addressed. The alignment of the 3 month waiting period applies only to animal products as in 2006, the Code restricted export of live vaccinated animals from a FMD free country not practising vaccination. However, countries with OIE status, FMD free country where vaccination is practised may accept vaccinated animals and those with no OIE FMD status should not refuse them as per the OIE Code User Guide Part C a). Bilaterally negotiated additional risk mitigation measures may be needed to meet individual importing countries’ Appropriate Level of Protection (ALOP) as in any application of the Code.
(c) D.Geale / EuFMD (email@example.com)