Military branches restore flu shot requirement after virus swept through base - Ars Technica
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The Army, Navy, and Air Force are once again requiring basic trainees to get vaccinated against influenza after the virus quickly swept through an Air Force base in Texas, sickening at least 222 recruits and hospitalizing four.
The outbreak flared just two months after Defense Secretary Pete Hegseth abandoned a decades-long requirement for flu shots. The requirement was intended to keep armed forces healthy in their bases, which provide ideally tight conditions for a variety of pathogens, including influenza, to run rampant. Mandates stem from centuries of intertwining histories of militaries, war, and human pathogens that have firmly established the danger that infectious diseases pose to armed forces.
But in April, Hegseth claimed that flu shot requirements were “not rational” and said removing the requirement was “restoring freedom” to military members.
Last week, news broke of a flu outbreak sweeping through Lackland Air Force Base, part of Joint Base San Antonio in Texas. Two unnamed sources told ABC News that the situation at the base has been worsening.
In addition to the 222 cases and four hospitalizations reported as of Tuesday, one recruit, Keon McDaniel, died. McDaniel was in his sixth week of basic training and suffered a medical emergency on June 12. It’s unclear if his death was related to the outbreak.
ABC News reported that sources think only about 40 percent of the new Air Force trainees at the base were vaccinated and that the outbreak began in early June.
Historical requirements
It remains unclear what strain of flu is circulating in the base. Circulation of seasonal influenza viruses tends to be low during the summer amid the general population. But activity does not fall to zero, and the close quarters and extensive contact within a base make it easy for transmission to skyrocket.
In a statement to Ars Technica, Pentagon spokesperson Sean Parnell said that the Pentagon had granted exceptions to Hegseth’s optional flu shot policy to the Army, Navy, Air Force, National Security Agency, and the Defense Health Agency. The exceptions came after a “comprehensive review” and are in line with a standard policy of “adapting force health protection measures to critical operational realities.”
“The decisions were based upon thorough risk assessments and are designed to maximize operational readiness, lethality, and force generation, while safeguarding at-risk populations,” Parnell said.
With the exception, the Air Force is aiming to vaccinate all recruits at the Texas base, according to ABC News, and the Army is preparing to expand the restored vaccine requirement to other groups, including troops deploying overseas.
US armed forces have a long history with pathogens, beginning in 1777 when George Washington mandated Continental soldiers be inoculated against smallpox, which had ravaged the army during the Revolutionary War. In March of 1918, cases of severe flu broke out at a military base in Kansas. The subsequent 1918 flu pandemic is estimated to have killed around 43,000 US soldiers, nearly half of all US military deaths during World War I.
The US Army supported the development of the first flu vaccine, which was tested for safety and efficacy in military members. The US military issued its first flu shot mandate in 1945, when the vaccine was licensed.
Beth Mole
Senior Health Reporter
Beth Mole
Senior Health Reporter
Beth is Ars Technica’s Senior Health Reporter. Beth has a Ph.D. in microbiology from the University of North Carolina at Chapel Hill and attended the Science Communication program at the University of California, Santa Cruz. She specializes in covering infectious diseases, public health, and microbes.
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