A Five-Year Retrospective Study of Foot-and-Mouth Disease Outbreaks in Southern Africa, 2014 to 2018
Table 2
Vaccine matching results on some field FMD viruses isolated from cattle originating from various countries of southern Africa during the period 2014–2018.
Field virus isolate
r1-values per vaccine virus strain1
SAT105
SAT251
SAT306
SAT1/BOT/05/2014
0.6
—
—
SAT1/BOT/17/2014
0.5
—
—
SAT2/MOZ/04/2014
—
0.7
—
SAT2/ZIM/03/2014
—
0.4
—
SAT2/ZIM/04/2014
—
0.3
—
SAT2/ZIM/05/2014
—
0.3
—
SAT2/ZIM/07/2014
—
0.4
—
SAT2/ZIM/09/2014
—
0.4
—
SAT1/BOT/11/2015
0.9
—
—
SAT2/BOT/15/2015
—
0.5
—
SAT2/BOT/21/2015
—
0.7
—
SAT2/NAM/09/2015
—
0.6
—
SAT2/NAM/20/2015
—
0.5
—
SAT1/NAM/42/2015
0.4
—
—
SAT3/ZAM/08/2015
—
—
0.4
SAT3/ZAM/09/2015
—
—
0.4
SAT2/ZIM/17/2015
—
0.8
—
SAT1/MAL/01/2016
0.4
—
—
SAT2/BOT/02/2018
—
0.6
—
SAT2/ZIM/02/2018
—
0.7
—
SAT3/ZAM/06/2018
—
—
0.7
r1-values greater than or equal to (≥) 0.3 indicate that there are no significant antigenic differences between the field and vaccine virus. BOT = Botswana, MAL = Malawi, MOZ = Mozambique, NAM = Namibia, ZAM = Zambia, ZIM = Zimbabwe.
