March 23, 2012 Whooping cough has reappeared in the U.S. and other developed countries in recent years, despite widespread use of vaccines. Researchers in Australia offer a partial explanation: they say the vaccine isn't tailored to fight some of the most common strains of the bacteria.
Nurse Susan Peel gives a whooping cough vaccination to a student at Inderkum High School in Sacramento, Calif., in 2011. Now it seems likely such shots will become routine for senior citizens, too.
February 22, 2012 An expert panel is expanding an earlier recommendation that seniors be vaccinated if they have contact with very young infants. Now just about all seniors will be candidates for vaccination. Adults and teens have been on the recommended list for years already.
September 17, 2010 The state health department now says there have been nine death — all babies. The infants were 2 months old or younger when they got sick. Eight were Hispanic.
July 26, 2010 California is on track to have the worst outbreak of whooping cough in 50 years. Gaps in vaccination have allowed the infectious disease to spread.
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June 24, 2010 An epidemic of pertussis has emerged in California, where five infants have died from the infectious cough already this year.
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