Vaccines aren't to keep individuals from getting sick; they're to prevent outbreaks and pandemics.
That they prevent most people who receive them from getting sick is an added benefit.
You'll have a lot better luck selling vaccines to people if they provide a direct benefit.
Vaccines aren't to keep individuals from getting sick; they're to prevent outbreaks and pandemics.
That they prevent most people who receive them from getting sick is an added benefit.