twitter_____ = ||| lubuntu at wor3 2J1P|||Double masking can significantly improve protection from Covid-19, blocking over 92% of potentially infectious particles from escaping, a CDC study says <a dir="ltr" href="https://t.co/rGqa1PCCcW?amp=1" target="_blank" role="link" data-focusable="true" class="css-4rbku5 css-18t94o4 css-901oao||| kickerpage = |||no kicker pagetwitter for twitter