ANNEX XCRITERIA FOR THE DECISION TO APPLY PROTECTIVE VACCINATION AND GUIDELINES FOR THE EMERGENCY VACCINATION PROGRAMMES

1.Criteria for the decision to apply protective vaccination44

Criteria

Decision

For vaccination

Against vaccination

Population density of susceptible animals

High

Low

Predominant species clinically affected

pigs

ruminants

Movement of potentially infected animals or products out of the protection zone

Evidence

No evidence

Predicted airborne spread of virus from infected holdings

High

Low or absent

Suitable vaccine

Available

Not available

Origin of outbreaks (traceability)

Unknown

Known

Incidence slope of outbreaks

Rising rapidly

Shallow or slow rise

Distribution of outbreaks

Widespread

Restricted

Public reaction to total stamping out policy

Strong

Weak

Acceptance of regionalisation after vaccination

Yes

No