Vaccine induced whooping cough
Whooping Cough  Vaccine disease

[2012 Oct] Whooping Cough Epidemic Caused by Virulent New Pertussis Strain—And It’s the Result of Vaccine

[2012 April] Study: Whooping cough outbreak linked to vaccinated children

Whooping cough outbreak in highly vaccinated Hunter Valley raises questions.

Whooping Cough Outbreaks in Vaccinated Children Become More and More Frequent