A catch-up programme will offer one or two doses to older children, depending on their date of birth:
"url": item.get("url"),
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Beyond update dates, freshness signals include referencing recent events, citing current statistics and data, mentioning the current year in context where relevant, and updating examples to reflect current tools and practices. These signals reassure both AI models and human readers that the information hasn't become outdated even if the core topic is relatively stable.
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