Secretary Betsy DeVos @BetsyDeVosED
.@j_g_allen, @HarvardChanSPH in @Slate: “There’s always something you can do...Opening up the window, using a portable air cleaner, bringing in a bit more outdoor air through your existing systems, replacing the filters...and everyone in a mask.” https://t.co/WjJnKl8iZg — PolitiTweet.org