Forecast: Influenza Immunisation in the US

The influenza immunisation rate for US persons aged 65+ showed fluctuations from 2013 to 2023, standing at 71.3 in 2023. The year-on-year variations indicate periods of growth, such as in 2014 and 2021, and declines, such as in 2016 and 2022, demonstrating some volatility in immunisation rates. Over the last two years, the variation has been relatively stable with a 0.42% increase in 2023. The five-year CAGR reflects an average annual variation of 0.75% from 2018 to 2023.

Future trends to watch for include:

  • Continued moderate growth in immunisation rates, forecasted to reach 73 by 2028, with a forecast 5-year CAGR of 0.36% from 2024 onwards.
  • Potential impacts of policy changes, healthcare access improvements, or public health campaigns on annual immunisation rates.

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