Whooping Cough is being spread mainly from vaccinated people.
In 2010 California had an outbreak of Whooping Cough where 81% of the cases of people under the age of 18 where fully vaccinated with the whooping cough vaccine. Shockingly only 8% of those infected were Unvaccinated !!
Read the Full article by Dr. Mercola:
Mounting Evidence Shows Many Vaccines are Ineffective and Contribute to Rise of Outbreaks Caused by Mutated Viruses