pertussis

Whooping cough, also known as pertussis, has claimed the 10th victim in California, in what health officials are calling the worst outbreak in 60 years. Since the beginning of the year, 5,978 confirmed, probable and suspected cases of the disease have been reported in California. All of the...

5 dead in Calif. whooping cough outbreak SACRAMENTO, (UPI) -- California health officials say five infants have died of whooping cough this year in what may be the state's worst epidemic in 50 years. Dr. Mark Horton, director of the California Department of Public Health, said Wednesday as...