This is only a superficial solution to the cause of these zoonotic diseases, which is overpopulation. The problem is that with 7bil people disease will spread with increasing frequency, and areas of super population growth like Africa and India will suffer the most.

But because no vaccine for any coronavirus had ever been invented, this new vaccine and the new techniques used to make it must be celebrated as a technological breakthrough. Possibly the greatest medical breakthrough since the 19th century. Possibly Nobel prize winning material.