(Zoetis Animal Health) FluSure XP/ER Bac Plus is for vaccination of healthy swine, including pregnant sows and gilts, 3 weeks of age or older as an aid in preventing respiratory disease caused by SIV subtypes H1N1, H1N2 and H3N2 and erysipelas for a period of 20 weeks. A duration of immunity of at least 10 weeks, as demonstrated by a significant reduction in lung lesions, has been established against SIV H3N2. Give 2 ml IM. Healthy swine 3 weeks of age or older should receive two 2-mL doses administered approximately 3 weeks apart. In young pigs, vaccinate after maternally derived antibodies have declined. Semi-annual booster is recommended. FluSure XP/ER Bac Plus requires mixing.