Worst Pertussis Outbreak in 70 Years, but What Can State Health Officials Do? Posted on February 3, 2015 by henrykotula Posted in Uncategorized Tagged Healthcare, Infectious Disease, Vaccines Leave a comment http://www.californiahealthline.org/insight/2015/worst-outbreak-of-pertussis-in-70-years-but-what-can-state-health-officials-do Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Share on LinkedIn (Opens in new window) LinkedIn Like Loading... Related