The outbreak comes weeks after Defense Secretary Pete Hegseth said flu vaccination was no longer mandatory for service members. More than 150 are reported ill.

Three Democratic lawmakers introduced an amendment to a must-pass annual defense funding and policy bill that would require ...

Since 1945, the U.S. military mandated flu vaccines—until Hegseth changed things earlier this year.

A flu bug has swept the ranks of recruits at San Antonio's Lackland Air Force Base, the service's basic training hub. Nearly ...

A worsening flu outbreak among recruits attending basic military training at Lackland Air Force Base, Texas, began earlier ...

Officials anticipated a problem soon after Defense Secretary Pete Hegseth lifted the vaccine requirement in April.

The US military is again requiring flu shots for recruits, just 2 months after it was declared optional as an outbreak at a training base spreads.

An influenza outbreak that started in late May has left nearly 160 Air Force recruits sick, with some hospitalized.

Hundreds of recruits at military basic training facility in Texas has been diagnosed with influenza ...

Air Force’s 37th Training Wing reports the death of basic trainee Keon McDaniel after a June 12 medical emergency during week ...