the the law of exponential numbers. but how fast will this surge hit us? you know, erin, when we knew that omicron was going to be a problem in the united kingdom for both the alpha variant and the delta variant, we had about a four-to-six-week window before that big rise in the uk translated over across the atlantic to the u.s. now, it s happening over a couple of weeks. so, what it means is that we re in the past, we might have thought that that means that we re going to see the big surge starting in jan middle of january, maybe into february. now, it means around christmas. this is how rapidly this is accelerating. and it was really sobering to hear the cdc director, dr. walensky, say yesterday that already 13% of the virus isolates that they are doing genomic sequencing on in new york and new jersey are omicron. less in other parts of the country. so, this thing is really heating