> For the “common cold” vaccine, you’re looking at hundreds of strains across about nine types of virus, so a pretty tall order using traditional approaches. A

> For the “common cold” vaccine, you’re looking at hundreds of strains across about nine types of virus, so a pretty tall order using traditional approaches. A couple of hundred does seems tall at all, especially when it is basically just 9 different types. It seems to me that this is easy to scale once a general approach is found. But since there is basically no progress on the common cold, I assume it is just not solved for any of these families, so the total number of strains or families doesnt matter anyway. Or it is mutating faster than we do anything. But I dont get how a small number like couple of hundred should matter - at least from the technogical perspective.