KGO ABC World News Tonight With David Muir January 11, 2022 23:37:00
>> a stark difference there. matt gutman, how soon could the cdc update its mask guidance? >> reporter: david, health officials with whom i've spoken tonight say that the cdc could update that guidance as early as the end of the week. now, officials have been urging people to upgrade their masks since omicron, specifically moving away from those cloth masks. health officials also telling us today that they are ramping up production of n-95s to make those available to those who need them. david? >> matt gutman leading us off tonight. thank you, matt. you heard dr. fauci there talking about th...