Data Trends 2022: Vaccinations

Veterans appear to be getting vaccinated at higher rates than their civilian counterparts.1 Decades ago, the Armed Forces Epidemiological Board assembled teams of the necessary military and nonmilitary medical researchers who developed vaccines against pneumonia and influenza.2 During the COVID-19 pandemic, the military’s contributions to society have been a different kind. The closed medical system of the VHA, with its millions of patients and its gold mine in health data, provided answers to questions about vaccine efficacy, attitudes regarding vaccines, combining or not combining boosters, and more.


  • Vaccination rates in veterans vs civilians, 2015-20181

  • Civilian HCP estimates based on CDC-conducted panel surveys, which yielded approximately 2,250-2,450 responses per year.3,4

  • Between February and October 2021, the COVID-19 vaccination records of 780,225 veterans - the equivalent of 2.7% of the US population - were sorted by vaccine type and analyzed for effectiveness and mortality rates. Across all groups, an acceleration of the decline in protection from infection began in July 2021, in parallel with the emergence of the Delta variant.5

  • Comparison of COVID-19 vaccines in older veterans with comorbidities6

  • Overall impact of COVID-19 vaccinations7
    Between January 2021 and April 2022, over half a million Americans died from COVID-19 despite the availability of vaccines. An analysis by researchers at Brown School of Public Health, Brigham and Women's Hospital, Harvard TH Chan School of Public Health, and Microsoft AI for Health found that about half of these deaths could have been prevented if the entire population had gotten vaccinated.



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