health experts agree that masking is the key to preventing the spread of the coronavirus along with vaccines and social distancing. which masks do a better job? cnn's brian todd has the story. >> reporter: we have, wolf. it's led to serious confusion. even with the new guidance the cdc's director says their recommendation that wearing any mask is better than wearing no mask at all. we have new information on viewers on what the government is going to say on this. tonight a new effort to stem confusion about mask wearing during the pandemic. the cdc expected to update the guidance soon. the cdc and local health officials have recently said n 95 and kn 95 masks appear to give you the most protection against the surging omicron