That was the concensus ... 2021 was possible if we get really lucky and either an existing coronavirus vaccine platform could be repurposed or a RNA vaccine wor

That was the concensus ... 2021 was possible if we get really lucky and either an existing coronavirus vaccine platform could be repurposed or a RNA vaccine works out. Just to be clear, there was a real risk that a vaccine would turn out to be impossible for this type of virus. It looks like completely dodged that bullet.