Articles by Armed Forces Health Surveillance Division

Exertional Hyponatremia, Active Component, U.S. Armed Forces, 2006–2021

Exertional (or exercise-associated) hyponatremia refers to a low serum, plasma, or blood sodium concentration (below 135 mEq/L) that develops during or up to 24 hours following prolonged physical activity. Acute hyponatremia creates an osmotic imbalance between fluids outside and inside of cells.

Heat Illness, Active Component, U.S. Armed Forces, 2021

From 2020 to 2021, the rate of incident heat stroke was relatively stable while the rate of heat exhaustion increased slightly

Update: Malaria, U.S. Armed Forces, 2021

Malaria infection remains an important health threat to U.S. service members who are located in endemic areas because of long-term duty assignments, participation in shorter-term contingency operations, or personal travel. In 2021, a total of 20 service members were diagnosed with or reported to have malaria.

Surveillance Snapshot: Influenza Immunization Among U.S. Armed Forces Health Care Workers, August 2016–April 2021

Update: Cold Weather Injuries, Active and Reserve Components, U.S. Armed Forces, July 2016–June 2020

Update: Routine Screening for Antibodies to Human Immunodeficiency Virus, Civilian Applicants for U.S. Military Service and U.S. Armed Forces, Active and Reserve Components, January 2016–June 2021

Update: Mental Health Disorders and Mental Health Problems, Active Component, U.S. Armed Forces, 2016–2020

Update: Mental Health Disorders and Mental Health Problems, Active Component, U.S. Armed Forces, 2016–2020

Health surveillance advances military medicine over past 30 years

Thirty years improvements in data collection, automation, and transmission have allowed for the creation of robust longitudinal health surveillance records on military populations.