Army Maj. (Dr.) Walter Reed’s advanced medical research saved thousands, inspires world-class care today

Army Maj. (Dr.) Walter Reed played a pivotal role in investigating public health diseases, earning him a top spot among military medicine’s most important heroes. Walter Reed National Military Medical Center in Bethesda, Maryland, bears his name and is one of the nation's largest and most prominent military hospitals.

WRNMMC is world-renowned as a preeminent patient care facility with superior healthcare accreditation ratings, multiple centers of excellence, award-winning medical research, and a patient and family centered care approach. It’s also called the “Presidents’ Hospital” for its unequaled care of our nation’s chief executives since 1942.

The Walter Reed Army Institute of Research, founded in 1893, is in nearby Silver Spring, Maryland. WRAIR's mission and legacy ensures warfighters are protected from diseases that historically have killed more service members than battle injuries.

A pioneer rises to prominence

Reed’s most important work was discovering the source of two epidemic diseases: typhoid and yellow fever.

Reed and a U.S. Army team first worked at U.S. military training grounds and encampments where typhoid led to constant deaths among recruits. They found the source (contaminated water), “implicated filth and flies in transmission of typhoid fever, and further developed the concept of asymptomatic carriers,” according to a September 2022 article for the National Museum of Health and Medicine by physician John Pierce, a retired U.S. Army colonel.

The team was “instrumental in implementing measures to clean up bases and training camps, which resulted in a dramatic drop in the number of typhoid cases,” Pierce wrote.

Yellow fever ravaged civilians in cities such as New Orleans, American Soldier encampments, and training facilities in the South and up the Atlantic seaboard to Boston, according to an historical study published online Feb. 3, 2013, in the American Journal of Public Health. Yellow fever caused some 150,000 deaths from the 1690s until 1905, the article found.

Diving into research to find the source of yellow fever, Reed’s team discovered the disease also was caused by mosquitoes. They did this by conducting experiments using volunteers, proving a common mosquito transmitted yellow fever from human to human, the source wasn’t contaminated clothing or bedding, and the germ was the first known human viral disease, Pierce wrote.

Continuing to serve science, an untimely death

Working with many pioneers of microbiology, bacteriology, and pathology, Reed was one of the few U.S. Army doctors who was skilled in all three disciplines. He had the good fortune to work in the germ-based era of disease theory and when microscopes came to early prominence.

Reed’s discoveries led to another major U.S. accomplishment — the completion of the Panama Canal between 1904 and 1914, as detailed in the 2009 U.S. Army book, The Panama Canal, An Army Enterprise. U.S. disease specialists by then knew how to control the spread of mosquitoes, leading to reduced burden of disease and eventual completion.

In 1902, Reed died at age 51 due to infection from an emergency appendectomy. The first Walter Reed General Hospital opened in 1909.

Treating the wounded of wars past and present

History of the ongoing evolution of the top military hospital tells a story of military medicine excellence, built on the foundation from its founder.

The general hospital's capacity grew from 80 patient beds to 2,500 in months during America’s involvement in World War I. A 1923 War Department order combined the hospital and the medical center into the Army Medical Center. During World War II, the Korean War, and the Vietnam War, the facility treated “hundreds of thousands of injured American Soldiers,” according to WRNMMC history. It was renamed Walter Reed Army Medical Center in 1951 and in 1978, the facility moved to a new building and celebrated its 100th anniversary in 2009.

In the Gulf War era, the hospital was one of the primary military medical wound treatment and recovery acute care sites. For example, the U.S. Army medically evacuated 294 trauma patients from Operation Iraqi Freedom and Operation Enduring Freedom to WRAMC between March 1 and July 3, 2003, according to a journal article from June 25, 2005. Many more thousands of the wounded came to WRAMC during the counterinsurgency, beginning in January 2007 and ending when combat operations ceased on Dec.15, 2011.

The WRAMC facility closed Aug. 27, 2011. The Base Realignment and Closure Commission announced in 2005 it would combine the center with the National Naval Medical Center in Bethesda. In September 2011, the newly named Walter Reed National Military Medical Center opened its doors.

Leapfrog “A” rating for safety, innovation continues

Attesting to its continuous emphasis on high-quality and high-reliability care, WRNMMC received an “A” Leapfrog Hospital Safety Grade for Spring 2026 along with 14 other military hospitals and clinics.

Leapfrog also scored WRNMMC as one of three military hospitals earning consecutive “A” grades for the past five safety evaluations, which are conducted twice yearly and are publicly available.

Since its establishment 126 years ago, Walter Reed has remained a leader in medical innovation and cooperation within the Military Health System and with civilian and institutional partners. Selected recent achievements include:

· Awarded for excellence as a high reliability organization at the 2026 MHS Conference May 28. · Recognized as a leader in organ transplantation in May 2026, particularly kidney transplantations, the only military hospital or clinic doing such work. The hospital is consistently ranked as one of the top kidney transplant programs in the nation. · Partnered with Kaiser Permanente of the Mid-Atlantic States in February 2026. The first-of-its-kind strategic alliance within the MHS will provide clinical staff with greater exposure to complex medical cases, maintaining combat-level surgical skills. · Expanded first-class neurology care with Department of Veterans Affairs centers in Washington, D.C. and Martinsburg, West Virginia, in January 2026. · Initiated the Rapid Assessment Program for Tactical Operational Readiness multidisciplinary diagnostic initiative in 2025, compressing the injury recovery process from months to days or weeks for the U.S. Special Operations Command. · Reaccredited in October 2024 by the Joint Commission with gold status. · Honored for surgical excellence by American College of Surgeons National Surgical Quality Improvement Program in November 2024. · Recognized in 2022 by the ACS as the only military hospital or clinic to receive its inaugural Quality Verification Program.

A gravesite marker in Arlington National Cemetery recognizes the impact of hospital’s namesake. It reads simply: “He gave to man control over that dreadful scourge yellow fever.” Reed’s discoveries also led to Congress’s creation of the Walter Reed Medal, awarded every three years for achievements in tropical disease medicine.

Just as Reed revolutionized research in epidemic diseases — saving many lives along the way — WRNMMC honors his legacy with world-class warfighter care and a spirit of scientific discovery.

Military Advanced Training Center’s innovations help rehab and recovery for limb loss, limb dysfunction, complex injuries

Walter Reed National Military Medical Center’s Military Advanced Training Center in Bethesda, Maryland, is a state-of-the-art rehabilitation and recovery facility that has treated approximately 2,000 service members, veterans, and beneficiaries with limb loss, limb dysfunction, and multiple complex injuries.

Of those, more than 500 have remained on active duty, and more than 70 service members with significant amputations have returned to the battlefield. MATC is located on the campus of WRNMMC, one of the primary centers for wounded warrior care in the Military Health System.

The center’s care helps meet readiness through “advanced technologies and therapies focused on building strength, skills, and confidence to restore function, promote independence and a sense of self for our patients to facilitate successful re-integration,” said Dr. Tawnee Sparling, the medical director for amputee care at the MATC.

Patients use sophisticated prosthetics and cutting-edge athletic equipment to move from injury to independence using a sports medicine model.

The MATC is one of three Advanced Rehabilitation Centers in the MHS, with a mission of a full restoration of normal human function to patients who’ve sustained severe extremity trauma/amputation, either in lower limbs or in upper limbs.

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