After poliovirus was discovered in London, Britain declared a national incident.

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British health authorities declared a national event.

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[{"selector":"#anim-de574598-a046-442f-9c53-60764dfe805e [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(35.234374910402764%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":500,"duration":3000,"easing":"cubic-bezier(.14,.34,.47,.9)","fill":"forwards"}] [{"selector":"#anim-0f3a734e-9d89-466d-a4c3-58db7c8cb059","keyframes":{"transform":["translate3d(135.76641%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":500,"duration":2000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-9ec99df5-1f9d-4ba5-aa72-5441bbffb153","keyframes":{"opacity":[0,1]},"delay":500,"duration":2000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-3517166e-9633-4ae9-8212-e3c14df66e8f","keyframes":{"transform":["scale(0.15)","scale(1)"]},"delay":500,"duration":2000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"forwards"}] [{"selector":"#anim-6865d477-bb34-42f1-bba0-26307675a45c","keyframes":{"transform":["translate3d(-136.49634%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":500,"duration":2000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-b0f15470-0875-4f9f-a42d-6a8198894861","keyframes":{"opacity":[0,1]},"delay":500,"duration":2000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-4b385146-7467-410b-bc4e-c010072df440","keyframes":{"transform":["scale(0.15)","scale(1)"]},"delay":500,"duration":2000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"forwards"}] White Frame Corner White Frame Corner Polio has not yet been reported, and there is little risk to the general public.

However, health officials recommended everyone who is not fully immunised against the poliovirus,

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especially young children, to obtain vaccinations very away.

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Polio has not yet been reported, and there is little risk to the general public.

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However, health officials recommended everyone who is not fully immunised against the poliovirus

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especially young children, to obtain vaccinations very away.

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[{"selector":"#anim-903c785d-c40b-4e50-9493-d0eb9492d230 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(21.874999829338595%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-3d842b30-294d-4867-ba79-9da2b4cdb15c","keyframes":{"transform":["translate3d(135.76641%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":500,"duration":2000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-7f5ae6f8-44c2-4ab9-a3e7-4f2ad22222cb","keyframes":{"opacity":[0,1]},"delay":500,"duration":2000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-36f38903-76bc-46d7-8ad2-2d14a8e1b297","keyframes":{"transform":["scale(0.15)","scale(1)"]},"delay":500,"duration":2000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"forwards"}] [{"selector":"#anim-1f94832c-3efe-4452-81ec-a9ad1e4bd63a","keyframes":{"transform":["translate3d(-136.49634%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":500,"duration":2000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-87b467e2-4a18-4d66-96e8-ce323d584557","keyframes":{"opacity":[0,1]},"delay":500,"duration":2000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d89c1262-26d5-41ff-a2de-db72b35582e4","keyframes":{"transform":["scale(0.15)","scale(1)"]},"delay":500,"duration":2000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"forwards"}] White Frame Corner White Frame Corner According to Dr. Vanessa Saliba, a consultant epidemiologist for the U.K. Health Security Agency Learn more