New SAGE docs investigate 1) growth of new variant (B.1.617.2 (1st seq in India)) from travel & community & 2) using "S gene" proxy for all non-"Kent" variants.

Neither conclusive but both *consistent* with significant higher transmissibility of B.1.617.2.

They urge caution! pic.twitter.com/FJCbXcyLv8

— Prof. Christina Pagel (@chrischirp) May 21, 2021