guidance? i think it is probably been a long time coming. but i do understand where they were coming from early on. we didn t have enough n-95s for health care personnel who are in the thick of it, treating people who are being intubated or on oxygen and spreading the virus more. i think now we know definitively they re better. we ve always known that. but we can t let that mean that masks of any kind aren t better than no mask. it is still better to wear a cloth mask than none at you will. it is better to wear a surgical than a cloth. but n-95 are the best. are you concerned with so much guidance coming out from the cdc and so many adjust. s, the message isn t going through to the folks that it as effects the most. the biggest part of public health is messaging and i think it is been a bit messy. but it is in the midst of a