Waning Whooping Cough Immunity Blamed in Outbreaks

Teens have very little protection just a few years after vaccination, study finds

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Wildfires May Boost Ozone Levels in Cities: Study

When smoke plumes travel, more pollution is likely in populated areas, researchers explained

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Legionnaires' Disease Can Transmit Person-to-Person, Case Suggests

Doctors say Portuguese man appears to have passed the illness to his mother; both died

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Study Casts Doubt on Effectiveness of COPD Drug

Research finds acetazolamide may not help patients breathe on their own, but one expert disagrees

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For Super Bowl Fans, Flu Can Be an Unwanted Catch

Study finds spike in deaths among seniors who live in areas with teams in the game

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