Director at the university center for emerging infectious disease policies and research. doctor, that s quite a title. we re glad you re here with us today. let s talk first on masks. the cdc is not alone in its push for mask regulations. and in recent days, there have been dozens of universities that have reinstated mask mandates. but at the same time, there are a number of cities like new york city which we just heard could trigger, if officials wanted a restoration of masks and vaccine mandates. at least so far, it doesn t seem like that s happening but covid cases are picking up everywhere, fueled by subvariants. give us your 30-000 foot take on where we are in terms of this pam. well, jnl, i do think we re entering a perilous area. we have to see where that lies