• Curtis S Pacheco, Joseph A Baxter, and Daniel Steigelman.
• Department of Internal Medicine, San Antonio Uniformed Services Health Education Consortium, Joint Base San Antonio-Fort Sam Houston, TX 78234, USA.
• Mil Med. 2024 May 18; 189 (5-6): e1289e1293e1289-e1293.

IntroductionVaccinations are an essential aspect of preventive medicine. In October 2021, the pneumococcal conjugate vaccine-20 (PCV-20) and PCV-15 were authorized for use in adults by the U.S. FDA. In 2022, the Advisory Committee on Immunization Practices (ACIP) subsequently published updated pneumococcal vaccination recommendations that incorporate both PCV-20 and PCV-15. Pneumococcal vaccination is effective in reducing pneumococcal disease, particularly in high-risk patient groups such as those with chronic lung disease; however, the updated dosing schedule for pneumococcal vaccinations can be quite confusing, especially if patients have previously received "older" vaccinations, such as pneumococcal polysaccharide vaccine-23 or PCV-13. The purpose of this quality improvement project was to increase providers' knowledge of current ACIP pneumococcal vaccination recommendations, including indications and dosing schedule, and to improve pneumococcal vaccination rates among eligible adults and children.Materials And MethodsFocused education sessions were presented to primary care and subspecialty residents, fellows, and staff at Brooke Army Medical Center and Wilford Hall Ambulatory Surgical Center regarding current ACIP pneumococcal vaccination recommendations. Sessions included information about PCV-15 and PCV-20 vaccines, indications for vaccination, and dosing schedules. Subjective knowledge of updated ACIP pneumococcal vaccination recommendations was assessed among primary care and subspecialty residents, fellows, and staff via an anonymous survey both pre- and post-intervention. Number of PCV-20 vaccinations given and estimated vaccination rates of patients aged 19 to 64 years with asthma were assessed pre- and post-intervention over a 6 month time span.ResultsOf surveyed providers, only 9% discussed vaccinations at every visit and 11% did not discuss vaccinations at all. There was a statistically significant increase in providers' knowledge of pneumococcal vaccination guidelines for children post-intervention (P = .01) but no statistically significant increase in knowledge for guidelines for adults, for patients that have received prior pneumococcal vaccines, or in overall confidence in recommending pneumococcal vaccines. There was a 17% increase in the number of PCV-20 vaccinations given post-intervention (198 pre-intervention, 232 post-intervention). The estimated PCV-20 vaccination rate for adults aged 19 to 64 years with asthma increased from 14.9% pre-intervention to 19.5% post-intervention (P = .33).ConclusionsThere is a significant knowledge gap regarding ACIP pneumococcal vaccination recommendations among military providers and a low pneumococcal vaccination rate for adults aged 19 to 64 years with asthma at Joint Base-San Antonio MTFs. Focused education sessions were effective in increasing providers' knowledge of updated pneumococcal vaccination recommendations, confidence in recommending vaccines, total number of pneumococcal vaccinations given, and estimated pneumococcal vaccination rate for adults with asthma. The validity of conclusions drawn from our data were limited because of discordant numbers of survey respondents as well as potentially inaccurate estimates of pneumococcal vaccination rates pre- and post-intervention. Despite this, the results warrant continued education of pneumococcal vaccines, indications, and dosing schedules.© The Association of Military Surgeons of the United States 2024. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.

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