POM View product Cylap VHD Rabbit Vaccines are not sold to the general public. They can only be administered by a Veterinarian following a thorough examination of the animal. Cylap vaccine is an adjuvanted vaccine containing inactivated viral haemorrhagic disease (VHD) virus, for active immunisation to prevent clinical signs and mortality caused by rabbit viral haemorrhagic disease. 1 mL initial vaccination dose by subcutaneous route. Rabbits should be vaccinated at 10-12 weeks of age. An annual booster vaccination is recommended.