okay. i ll tell you what s known and what s not known. it s called b.1 versus b.2. the b.2 is a newer 1 that s a sublineage of the original omicron, which is the b. 1a. so we know one thing, that it doesn t appear to be substantially different with regard to transmissability. likely a bit more of a transmission advantage. the reason you come to that conclusion, anderson, is when you look at denmark, denmark is being overtaken a bit by this new variant of sublineage of omicron in the sense that it was fundamentally all omicron, the b.1, but now it s seeing much more, about 40 to 50 or more percent is the b.2. so that s something that tells you that there s an advantage of