It’s that time of year again when we take stock of the past year and what NIOSH information was most viewed on our channels. As the world and NIOSH continued to fight a pandemic it is not surprising that respirator information dominated on the NIOSH website and the NIOSH Science Blog. NIOSH continues to work diligently to protect workers from COVID-19 including certifying respirators. A blog post from last year summarizes additional aspects of the NIOSH COVID-19 response. As NIOSH marked its 50th anniversary in 2021, we used many of our channels to help celebrate. The NIOSH 50th website contains a
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