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Vaccine refusal linked to California pertussis outbreak
USA TODAY
The 2010 California outbreak of the extremely contagious respiratory disease pertussis (also known as whooping cough) was the largest in more than 60 years. It resulted in 9,120 cases and 10 deaths -- a third of all the cases seen in the USA that year.
Unvaccinated kids helped fuel California's whooping cough epidemicSalon
2010 California Pertussis Outbreak Linked to Vaccine RefusalScience World Report
Non-Medical Exemptions One Factor in Pertussis ResurgenceDoctors Lounge
MedPage Today -Medscape -HealthDay
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