Yeah by the time fast spreading variants get picked up by the press, they usually are indeed more transmissible, rather than merely founder effects / super spre

Yeah by the time fast spreading variants get picked up by the press, they usually are indeed more transmissible, rather than merely founder effects / super spreader events. We've seen this time and time again to the point that the rational evaluation is to assume the new variant is indeed more transmissible. Especially for this variant which is overtaking Delta so quickly that it can't really be explained by super spreader events.