This little application takes the numbers cited by anti-vaccination
clown Greg Beattie - as ostensible proof that the pertussis vaccine is
ineffective - and demonstrates exactly why Greg is wrong.
You can get the
background on why this app exists here
The proportion of the infected population that was unvaccinated is:
The proportion of the infected population that was vaccinated is:
Based on a 95%/5% split (as quoted by Meryl Dorey and Greg Beattie), we would likewise expect a 95/5 split in infections.
This means that the unvaccinated group has a risk of as opposed to their expected 5%. This is an increase of
This means that the vaccinated group has a risk of as opposed to the expected 95%. This is a decrease of