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3FLEX is a combination vaccine used in swine to control Porcine Circovirus Type 2 (PCV2), Mycoplasma hyopneumoniae, and Porcine Reproductive and Respiratory Syndrome (PRRS). 3FLEX is indicated for use in PRRS virus positive herds only. Mix the contents of each vial per package diagram just prior to use. Inject a single 2 ml dose IM in susceptible swine 3 weeks of age or older. Semi-annual revaccination with Ingelvac MycoFlex is recommended for breeding swine. Requires mixing.