Kosmos 482, which launched in 1972 on a mission to Venus, never made it out of Earth's orbit and instead broke into four pieces that have been circling the planet for more than five decades.
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The government confirmed plans to introduce the MMRV in August 2025, as new data revealed that none of the main childhood vaccines in England had reached the 95% uptake target in 2024/25.
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圖像來源，Serenity Strull/ BBC