From: Vaccination delays maedi-visna lentivirus infection in a naturally-infected sheep flock
Titer of serum from one sheep infected intrapulmonarily with 300.000 TCID 50 of virus K796 | Virus strains | ||
---|---|---|---|
K796 | 10B | 7W | |
Serum 13 months after infection with K796 | 128 | 16 | 8 |
Serum 3 years after infection with K796 | 256 | 32 | 16 |
Titer of serum from one naturally infected sheep in Cyprus | 16 | 128 | 128 |