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This page contains information on FLEXCircoPRRS for veterinary use.
The information provided typically includes the following:
  • FLEXCircoPRRS Indications
  • Warnings and cautions for FLEXCircoPRRS
  • Direction and dosage information for FLEXCircoPRRS


This treatment applies to the following species:
Company: Boehringer Ingelheim Animal Health

Porcine Reproductive & Respiratory Syndrome-Circovirus Vaccine

Respiratory Form, Type 2, Modified Live Virus, Killed Baculovirus Vector

This product has been shown to be effective for the vaccination of healthy swine 3 weeks of age or older against porcine circovirus type 2 (PCV2), and respiratory form of porcine reproductive and respiratory syndrome (PRRS) virus. The duration of immunity is at least 4 months against the respiratory form of PRRS disease, and at least 4 months against PCV2. For more information regarding efficacy and safety data go to


This product contains PCV2a.

Directions and dosage: Insert a vented transfer spike into Ingelvac CircoFLEX® bottle. Invert the Ingelvac PRRS® MLV vaccine bottle over the Ingelvac CircoFLEX® bottle and slowly insert the transfer spike, releasing the vacuum. Rotate the vials and rehydrate the Ingelvac PRRS® MLV vaccine by adding a portion of the Ingelvac CircoFLEX® vaccine. Shake well and transfer the reconstituted suspension back into the Ingelvac CircoFLEX® bottle to complete the total volume. Shake well and use immediately. Using aseptic technique, inject a single 1 mL dose intramuscularly. For advice on revaccination frequency, contact your veterinarian or the manufacturer.


Store out of direct sunlight at 35 - 46°F (2 - 8°C). Do not freeze. Use entire contents when first opened. Do not vaccinate within 21 days before slaughter. Do not mix with other products, except as specified on the label. In case of anaphylactoid reaction, administer epinephrine. Not for use in pregnant swine or boars. For use in PRRS virus-positive herds only. PRRS vaccine virus may be shed and transmitted to other populations of swine in contact with vaccinated swine. The duration of potential vaccine virus transmission may vary. Use of the vaccine in herds intended to remain PRRS virus seronegative is contraindicated. Introduction of vaccinated pigs into herds intended to remain PRRS virus seronegative is contraindicated. Specific herds may be particularly sensitive. In case of human exposure, contact a physician. Inactivate unused contents before disposal.

Preservative: Neomycin.

Ingelvac CircoFLEX®, Ingelvac PRRS® and FLEXCircoPRRS® are registered trademarks of Boehringer Ingelheim Vetmedica GmbH, used under license.

Boehringer Ingelheim Animal Health USA Inc., St. Joseph, MO 64506

Phone: 1 (888) 637-4251

VLN/PCN 124/19P9.R1

50 Doses/Rehydrate to 50 mL

This package contains one 50 dose vial of Ingelvac CircoFLEX®, and one 50 dose vial of Ingelvac PRRS® MLV.


CPN: 1028383.1

Telephone:   800-325-9167
Customer Service:   888-637-4251
Technical Service:   888-637-4251
Fax:   816-236-2717
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