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Results obtained after direct inoculation with FMDV O/SKR/00 in porcine heel bulb for determination of concentration of the inoculum as 50% pig heel infectious doses per mL (PHID50/mL)
*Animal number. †Amount of virus in each inoculation site. ‡Each sign represents one main digit. "+" indicates a macroscopic lesion was formed at the site of inoculation. "-" indicates that no lesion was visible.
