You don't need rates that high to significant decrease the spread, though, so that even the uninoculated are unlikely to catch it.
check out slide 17.
According to epidemiology, it varies according to the disease. Some diseases are easier to spread then others, and so the numbers are higher.
For Measles, Mumps, Rubella, Pertussis, Diphtheria, Smallpox and Polio, you have numbers from 75-85 for mumps and from 92-95 for Pertussis.
15 percent isn't even on the same planet.
Comment