It can be stored at a much warmer temperature than Pfizer's vaccine too.
The department says those most at risk will be prioritized first.
Dr. Michael Osterholm said he'd be surprised if the illness was caused by the potential vaccine.
Anyone over the age of 6 months should receive a flu vaccine.
Physicians cited fear of COVID-19 as a reason parents are avoiding in-person care for their children.
Other vaccines currently in development would target COVID-19, but not necessarily other variants.
13 people have been hospitalized as a result.
Health officials are making a point after recent measles outbreaks.