Enzovax^® Questions and Answers

For the active immunisation of susceptible female breeding sheep to reduce abortion caused by Chlamydophila abortus infection.

Challenge studies have demonstrated that protection against Enzootic abortion and excretion of Chlamydophila abortus post-challenge is undiminished for at least three years post vaccination with Enzovax. Field studies in endemically infected flocks maintaining a policy of vaccinating incoming ewes with Enzovax indicate that enzootic abortion levels remain very low in ewes vaccinated 4 years previously.

As per the datasheet advice, vaccination must take place at least 4 weeks before mating.

Safety and/or efficacy data are available which demonstrate that this vaccine can be administered the same day but not mixed with Toxovax. However, it should be given at separate sites. 

No information is available on the safety and efficacy of this vaccine when used with any other veterinary medicinal product except the product mentioned above.

A decision to use this vaccine before or after any other veterinary medicinal product therefore needs to be made on a case by case basis.

Enzovax is not licensed for use during pregnancy.

For meat and offal, the withdrawal period is 7 days.

Vaccine: Store and transport refrigerated (2 °C - 8 °C). Do not freeze. Protect from light.

Solvent: Store below 25 °C (if stored separately). Do not freeze.

The shelf life of Enzovax once reconstituted is 2 hours.