This Surveillance Snapshot provides an overview of the 2024-2025 mid-season analysis of influenza vaccine effectiveness against medically-attended ambulatory influenza infections among active component U.S. service members.

This month’s edition of the MSMR Reportable Medical Events at Military Health System facilities feature provides an overview of annual data for 2024 for active component U.S. service members and their beneficiaries.

This study identifies the incidence of the two tick-borne diseases, Lyme disease and Rocky Mountain spotted fever, that are most frequently diagnosed within the Military Health System among active component U.S. service members and evaluates the correlation between temperature and incidence of each tick-borne disease.

This study reports the prevalence of non-medical risk factors, also known as social determinants of health, among active component U.S. service members and assesses the relationship between these factors and suicide ideation or attempts between 2018 and 2022. This study documents, for the first time, the frequency of diagnosis for non-medical risk ...

Reportable medical events are documented in the Disease Reporting System internet by health care providers and public health officials throughout the Military Health System and are reported monthly in MSMR.

This report details the steps taken to develop a timely, accurate, and comprehensive Navy fleet disease and injury surveillance capability, utilizing ESSENCE (Electronic Surveillance System for the Early Notification of Community-based Epidemics), including the successes and challenges that will guide further refinement and expansion of this tool.

This analysis utilizes an updated case definition for non-Hodgkin lymphoma developed by the Armed Forces Health Surveillance Division, based on consultation with subject matter experts and previous literature, to establish non-Hodgkin lymphoma incidence within the U.S. Armed Forces active component, from 2017 through 2023.

Knowledge of injury causes is essential for prevention. This article describes causes of injury for all U.S. service members, from 2016 through 2019, and identifies variations in injury cause coding over time, and by branch of military service, type of health care visit and facility, and diagnosis category.

Reportable medical events documented in the Disease Reporting System internet by health care providers and public health officials throughout the Military Health System are reported monthly in MSMR.

This study applied the Armed Forces Health Surveillance Division (AFHSD) case definition for the identification of malignant brain tumors among U.S. active service members to the dependent pediatric population of the active component of the U.S. Air Force, to determine the positive predictive value of this case definition for a pediatric population.

As part of the Armed Forces Health Surveillance Division, within the Public Health Directorate of the Defense Health Agency, MSMR offers a forum for peer-reviewed public health reports that are disseminated on a variety of digital platforms: published online at health.mil, the official website of the Military Health System, in addition to indexing on ...

This analysis measures the association of traumatic brain injury with medical readiness for active duty military service, which could inform future traumatic brain injury screening, referral, and patient management protocols.

This retrospective cohort study examined ovarian dysfunction diagnosis incidence among female active component service members in the U.S. military from 2014 to 2023 using medical encounter data from the Defense Medical Surveillance System.