Now all roads lead to France and heavy is the tread
Of the living; but the dead returning lightly dance.
Edward Thomas, Roads

Thursday, August 29, 2013

The Influenza Pandemic's Impact on the U.S. Military in World War I

Contributed by CDR David Thompson, CHC, USNR (Ret.)


Worldwide, in a time when death statistics were poorly recorded, estimates range from 30 million to 100,000 million dying of the Spanish Influenza Pandemic of 1918-19. Over 675,000 Americans civilians died of this pandemic in 1918–19, more than all military personnel killed in WWI, WWII, the Korean War, and the Vietnam War. The odds of death from the Spanish Flu in the American civilian population of 103,208,000 was 1 in 153.

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Sign, Naval Aircraft Factory, Philadelphia, 1918


The Influenza Pandemic also swept through the military, an army with an end strength of 4,128,479 and navy with an end strength of 530,338 in World War I in 1918. According to records from the Army and Navy (which included the Marine Corps), the death rate was 25 percent higher in the Army than in civilian population, primarily hitting servicemen ages 20–40. Reportedly 25 percent of the Army and 40 percent of the Navy fell ill in the flu pandemic. According to the Army Medical Corps Historical Section, 1,125,401 soldiers were admitted for treatment for respiratory disease brought on by influenza. 46,992 Army servicemen died of the respiratory flu (roughly 6,000 fewer than the 53,000-plus soldiers who were killed in combat or died of wounds as a result of combat action in the war). The total number of Army deaths to all diseases was 58,119 in the war,of which respiratory disease from influenza accounted for 46,992 (80.35 percent of all deaths caused by disease). New recruits were hit the hardest, with 60 percent of all those who got sick had been in the military less than four months (many coming from rural areas where they had less immunity than city dwellers).

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Army Influenza Ward, Luxembourg, 1918


By the first week of October 1918 45,000 soldiers were sick in military camps and 340,000 soldiers were hospitalized in France (at the height of the Meuse-Argonne Offensive of 1918). General Pershing, CIC for the AEF and the Army Chief of Personnel were both hard pressed to field a healthy army to effectively fight the German Army in October 1918. Also, of the 121,225 Navy/Marine/Coast Guard personnel admitted for treatment at Naval Hospitals for influenza, 4,158 died (twice as many died of the flu than died in combat action from the sea services in WWI). These figures total: 51,154 American service personnel dying of the flu in 1918 (44 percent of all the 116,000-plus in the line-of-duty deaths of American servicemen in WWI).

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Preventive Sleeping Arrangement, U.S. Navy Station, San Francisco, 1918


Most Americans and most of our veterans were and are still uninformed about the pandemic and how it nearly crippled the U.S. military in WWI. A number of articles have been written on the subject but have been circulated only in public health and military medicine circles when discussing bio-terrorism, and in very limited historical circles that the general public and veteran population know little about. Some of them are available, however, online:

The Influence of the Influenza Pandemic on the Military

1918 Influenza Pandemic: U.S. Army Perspective

1918 Influenza Pandemic: U.S. Navy Perspective

3 comments:

  1. The reason that the military was hit so hard is that this flu affected healthy individuals harder. Recent research has shown that unlike most flu that has the greatest impact on the old and young, this strain hit hardest those with healthy lungs. It seems to have thrived deep in the lungs, so those who took strong breaths were hardest hit. Training exercises and close contact would have been ideal settings for infection and spread.

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  2. Isn't there a concern among infectious disease specialists(CDC)that
    a mutant strain of the Spanish Flu might recur in our contemporary
    world. Roger Brown

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  3. With gratitude I recognize Chaplain Thompson's continued effort to expand our definition of hero! Please share his work and help others understand that while heroes did die in battle, the also died in their cots, hospital beds and elsewhere. Their service is equally commendable. They died in service to their country!

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