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Table I.
Epidemiological variables hypothesized to influence the duration of the stages of serotype O foot-and-mouth disease virus (FMDV) infection in an individual data meta-analysis of the peer reviewed literature.
| Variable | Description | Categories |
|---|---|---|
| FMDV stage | Stages of FMDV infection | Latent |
| Subclinical | ||
| Incubation | ||
| Infectious | ||
| Experimental animal | Type of animal exposed to an infective donor via direct or indirect contact | Cattle |
| Pig | ||
| Small ruminants (sheep and goat) | ||
| Donor species | Species of the inoculated donor compared to the experimental animals exposed | Same species |
| Different species | ||
| FMDV topotypes and strains | Topotypes and strains used for the experiment | Pan Asia: UKG 2001, NET 2001, and Taiwan/97 |
| European strains of the Euro-SA topotype: BFS 1860, and Brugge | ||
| MESA: Greece/94 | ||
| South American strains of the Euro-SA topotype: Canefa, and Campos | ||
| Type of contact | Type of contact between donors and experimental animals | Direct |
| Indirect | ||
| Sample site | Location in which the exposed animal was sampled for identification of the FMDV | Sera (blood, serum) |
| Upper respiratory tract (nasal swabs, oro-pharyngeal fluids, saliva, pharynx, probang) | ||
| Excretion or secretion (prepuce, urine, rectum, feces, milk, semen, vagina) | ||
| Clinical signs | Clinical signs reported | Fever |
| First vesicles in mouth or feet | ||
| Generalized FMD infection | ||
| FMD laboratory | FMD reference laboratory where the study was carried out | Pirbright |
| Plum Island | ||
| Lelystad | ||
| PanAftosa |