TABLE 1.
Techniques | Purposes | |||||
---|---|---|---|---|---|---|
Animals freedom from infection | Animal freedom from infection previous to movement | Contribution in eradication policies | Confirmation of clinical cases | Prevalence of infection surveillance | Immune status post‐vaccination | |
Identification of agent | ||||||
Virus isolation | + | ++ | + | +++ | + | ‐ |
PCR | ++ | +++ | ++ | +++ | + | ‐ |
Electron microscopy | ‐ | ‐ | ‐ | + | ‐ | ‐ |
Immune response detection | ||||||
Virus neutralization | ++ | ++ | ++ | ++ | ++ | ++ |
Electron microscopy | + | + | + | + | + | + |
−: not appropriate for the purpose; +: may be used in some situations, but its application is limited by some factors such as reliability, cost, etc.; ++: appropriate method; +++: recommended method.
IFAT indicates Indirect Fluorescent Antibody Test; and PCR, polymerase chain reaction.