The Veterinary Medicines Directorate (VMD) remains the sole regulatory authority for animal vaccines in the UK. In 2026, the VMD has introduced a "Streamlined Innovation Pathway" to speed up the approval of vaccines developed using novel technologies.

• Safety & Efficacy: All vaccines must undergo rigorous multi-stage clinical trials to prove they do not cause adverse reactions in the target species.

• Batch Release: No immunological product can enter the UK market without a batch release certificate from the VMD, ensuring every vial meets the exact potency standards defined in its Marketing Authorisation (MA).

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