Fig. 3From: Modified-live PRRSV subtype 1 vaccine UNISTRAIN® PRRS provides a partial clinical and virological protection upon challenge with East European subtype 3 PRRSV strain LenaVN antibody titers upon vaccination with PRRSV subtype 1 vaccine UNISTRAIN® PRRS and challenge with PRRSV subtype 3 strain Lena. Bullets represent individual animals; lines represent the mean titer in each group. Solid bullets and solid line show the titer for the control group; open bullets and dashed line show the titer for the vaccinated group. Dotted line represents the detection limit for the testBack to article page