Fig. 1From: Modified-live PRRSV subtype 1 vaccine UNISTRAIN® PRRS provides a partial clinical and virological protection upon challenge with East European subtype 3 PRRSV strain LenaBody temperature after challenge with PRRSV subtype 3 strain Lena. Bullets represent individual animals; lines represent the mean body temperature in each group. Solid bullets and solid line show the body temperature for the control group; open bullets and dashed line show the body temperature for the vaccinated group. Dotted line represents the threshold for fever (40.0 °C)Back to article page