Due to the high genetic diversity of circulating CDV strains, there might be significant antigenic differences which may lead to vaccine escape cases, as was hypothesized in multiple studies [ 5 , 12 , 17 , 19 , 20 , 21 , 22 , 23 ].
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Due to the high genetic diversity of circulating CDV strains, there might be significant antigenic differences which may lead to vaccine escape cases, as was hypothesized in multiple studies [ 5 , 12 , 17 , 19 , 20 , 21 , 22 , 23 ].