Let's assume for the sake of argument that these new shots will be perfectly safe and effective (won't catch it, won't spread it, won't have any side effects, e

Let's assume for the sake of argument that these new shots will be perfectly safe and effective (won't catch it, won't spread it, won't have any side effects, etc). Given current sentiment and uptake rates, how many people are actually going to get these (or make their 6 month old get them)? And how low does that number have to be before you are just training people to be comfortable ignoring your recommendations?