TABLE 2.

Clinical score for FMD

GroupPigClinical score at dpce:
01234567
−21a5100000000
5200111455
5300000223
540000271013
5500000000
−7b5600000035
5700000245
5800000222
5900000011
6000000000
DIc6101131919191919
6201152020202020
6301171819191919
DCd64000116181818
65000618181818
66000114161616
67000313171818
680001216151616
  • a Animals were vaccinated on dpc −21 (infected by direct contact with directly inoculated animals).

  • b Animals were vaccinated on dpc −7 (infected by direct contact with directly inoculated animals).

  • c Animals were directly inoculated on the day of challenge.

  • d Naïve animals infected by direct contact with directly inoculated animals.

  • e Clinical scores were calculated as numbers of vesicles on each toe (4 per foot, with a potential score of 16), in the mouth or on the lips, on the tongue, on the snout, and elsewhere, for a maximum score of 20, on the indicated day postchallenge of directly inoculated animals.