Management strategies for vaccinated animals after an outbreak of foot-and-mouth disease and the impact on return to trade


Autoři: Richard Bradhurst aff001;  Graeme Garner aff002;  Iain East aff002;  Clare Death aff002;  Aaron Dodd aff001;  Tom Kompas aff001
Působiště autorů: Centre of Excellence for Biosecurity Risk Analysis, University of Melbourne, Parkville, VIC, Australia aff001;  Epidemiology and One Health, Animal Health Policy Branch, Department of Agriculture and Water Resources, Canberra, ACT, Australia aff002
Vyšlo v časopise: PLoS ONE 14(10)
Kategorie: Research Article
doi: 10.1371/journal.pone.0223518

Souhrn

An incursion of Foot-and-mouth disease (FMD) in a previously FMD-free country can cause significant economic damage from immediate and prolonged closure of FMD-sensitive markets. Whilst emergency vaccination may help contain disease, the presence of vaccinated animals complicates post-outbreak management and the recovery of FMD-free status for return to trade. We present enhancements to the Australian Animal DISease (AADIS) model that allow comparisons of post-outbreak management strategies for vaccinated animals, for the purposes of securing the earliest possible return to trade. Two case studies are provided that compare the retention of vaccinated animals with removal for waste/salvage, and the impact on recovery of FMD-sensitive markets per OIE guidelines. It was found that a vaccinate-and-retain strategy was associated with lower post-outbreak management costs, however this advantage was outweighed by significantly higher trade losses. Under the assumptions of the study there was no cost advantage to salvaging the removed vaccinated animals.

Klíčová slova:

Australia – Epidemiology – Infectious disease control – Livestock – Sheep – Vaccination and immunization – Veterinary diseases – Foot and mouth disease


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2019 Číslo 10

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