If, however, the vaccinated host has no or minimal symptoms yet is still contagious, the mutation will spread.
Whether this is what is happening, we'll likely never know for the reasons I cited, but it's plausible.
If, however, the vaccinated host has no or minimal symptoms yet is still contagious, the mutation will spread.
Whether this is what is happening, we'll likely never know for the reasons I cited, but it's plausible.