Table 1.

Spontaneous 3′-NCR deletions during passage in BHK cells

VirusBHK cell passage no.Deletion size (boundariesa)
Neudoerfl22342 (10469–10810)
R-Neudoerfl23274 (10484–10757)
362 (10432–10793)
32274 (10484–10757)
• a The first and last nucleotides missing in the deleted sequence; numbering is according to the genomic sequence of TBE virus strain Neudoerfl.