This report summarizes Military Heath System data from 2008 through 2023 on the numbers, frequency, rates, trends, demographics, geographic locations, as well as military characteristics of exertional hyponatremia among U.S. active component service members.

Public health preparedness and response is a critical area of focus as Defense Public Health transitions some of the military component public health functions to the Defense Health Agency. This includes all-hazard biosurveillance and public health emergency management, or PHEM.

This study provides the first estimate of HIV pre-exposure prophylaxis coverage in the U.S. military, defined as the proportion of the persons taking HIV PrEP out of the estimated number of persons who had indications for it, that is also comparable to U.S. civilian estimates. The population with indications for HIV PrEP was obtained from the ...

Reportable Medical Events are documented in the Disease Reporting System internet by health care providers and public health officials throughout the Military Health System.

This Surveillance Snapshot provides influenza vaccine effectiveness estimates against ambulatory influenza among Department of Defense TRICARE beneficiaries.

This Surveillance Snapshot provides an overview of the 2023-2024 mid-season analysis of influenza vaccine effectiveness against medically-attended ambulatory influenza infections among U.S. military active component service members.

This is an introduction to a composite of three Surveillance Snapshots of Department of Defense data on mid-season influenza vaccine effectiveness that were presented at the 2024 VRBPAC meeting.

This Surveillance Snapshot provides the number of U.S. military active component service members prescribed HIV pre-exposure prophylaxis medication in 2023.

This study compared estimates of the prevalence of and risk factors for tobacco and nicotine use obtained from the 2018 Health Related Behaviors Survey and Periodic Health Assessment survey. The HRBS and the PHA are important Department of Defense sources of data on health behavior collected from U.S. military service members.

This Surveillance Snapshot provides an overview of the 2023-2024 mid-season analysis of influenza vaccine effectiveness against influenza hospitalizations among U.S. military active component service members.

This Surveillance Snapshot presents a comparison of U.S. active component military and general population HIV incidence rates in 2021, the most recent year for which stratified U.S. data were available, using indirect standardization by sex, age, and race and ethnicity.

The Armed Forces Health Surveillance Division plays a critical role in force health protection. As the central epidemiologic resource for the U.S. Armed Forces, AFHSD conducts medical surveillance to protect all those who serve our nation in uniform and allies who are critical to our national security interests.

This is the monthly MSMR update of Reportable Medical Events documented in the Disease Reporting System internet by health care providers and public health officials throughout the Military Health System.