A recent development in the US military's vaccine policy has been confirmed by a Pentagon official. The military is once again requiring flu vaccines for its recruits, effective earlier this month. This decision is an exception to a previous ruling by Defense Secretary Pete Hegseth.

The news of the reinstated flu vaccine requirement comes as an Air Force base is dealing with a flu outbreak. Further details about the outbreak and the military's vaccine policy can be found through CBS News. For more information on this development, readers can refer to the original report from CBS News, which provides additional context and details about the US military's vaccine requirements.