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Transcripts for CNN CNN Newsroom Live 20220114 09:54:00

health experts agree masking is key to not spreading the coronavirus and social distancing. which masks are the best ones? cnn s brian todd takes a look for us. reporter: a new effort to stem confusion about mask-wearing during the pandemic. the cdc expected to update its guidance on the best masks to wear soon. the cdc and local health officials have recently said that n95 and k n95 masks appear to give you the most protection against the surging omicron variant. we should be wearing the best possible masks that we can get. that s a fact. reporter: dr. anthony fauci and other top officials say n95s and kn95s work better than the surgical masks people have worn and better than cloth masks. how? leakage found cloth masks can leak 75% in and out. surgical masks only 50%. and n95 masks as low as 1 to 10%

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