Ingelvac CircoFLEX (porcine circovirus type 2 ORF2 protein minimum RP1.0 Maximum RP 3.75) is a vaccine used to protect pigs from porcine circovirus type 2 (PCV2). Specifically, it's used to immunize healthy pigs 2 weeks of age or older against PCV2, helping to reduce mortality, clinical signs like weight loss, lesions in lymphoid tissues, and PCV2 shedding.