Comment More than one vaccine (Score 1) 256
The world will ultimately need more than one vaccine anyway, as demand will soar beyond what any one company could produce.
Surely this isn't a good reason for needing more than one vaccine? Whatever proves to be the best vaccine should be manufactured by all the capable companies. If someone then comes up with a better one, production should switch.
Now it might be that some vaccines turn out to be more effective than others in differing situations, and vice versa - now that's a good reason to need more than one.