Medical Experts Concerned About Whooping Cough Outbreaks: Vaccine May Be Losing Potency

87% Vaccinated Involved In Whooping Cough Outbreak

California whooping cough outbreak reveals limitation of vaccine

New York Measles Outbreak 90% Vaccinated

Whooping Cough Outbreak in Elk Grove Indicates Ineffectiveness of Vaccine

91% Fully Vaccinated Involved in Pertussis Outbreak

Pertussis Whooping Cough Vaccine Inserts

Vaccine Exemption Forms