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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 |