US : Whooping cough continues to climb in California

Via CNN :

" California is in the middle of the worst outbreak of whooping cough in 60 years. According to the state health department, there are now 6,257 confirmed, probable and suspected cases of the disease. Ten people have died.

"Unfortunately and tragically we have had 10 deaths, all in infants under 2 years of age," said Dr. Kathleen Harriman, California Department of Public Health. Nine of the 10 infants were Hispanic and several had family members with "cough illness," according to Harriman."