Branson immediately cried foul to British regulatory authorities, who have since taken heed, but the damage had been done.

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The microneedle vaccines could be self-administered, but we need to await the outcome of human clinical trials and successful filing of all the clinical documentation (safety studies, and results of vaccine effectiveness) to the national regulatory authorities, who will decide who can administer this type of vaccine.

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"The regulatory authorities are really set up around the belief that people who are distributing pharmaceutical products are people who are playing by the rules, " Inkster says.

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