@jsparklin27 @JeromeAdamsMD @Kbrady04 Here we are two years later, the US could have created a regulatory process for high filtration public-use masks by now, including for kids. But it did not.
@jsparklin27@JeromeAdamsMD@Kbrady04两年后的今天，美国本可以为包括儿童在内的高过滤公共用途口罩制定监管程序。但事实并非如此。