Rt Hon JACINDA ARDERN: The biggest constraint, in fact the only constraint, we have faced is supply, is the delivery of the contracted doses we have with Pfizer—those doses being delivered into New Zealand. So whilst we get, basically, a four-weekly heads-up on what we can expect—we're told across a quarter of what we can expect—the constraint has been delivery by the pharmaceutical company whom we contracted and began negotiations with before they even finished their clinical trials.