
2012 U.S. pertussis outbreak is worst in decades
With provisional counts of pertussis in the United States in 2012 well over 40,000, last years outbreak is the worst in over 50 years, according to Centers for Disease Control and Prevention (CDC) preliminary More...

Colorado reports most whooping cough cases in six decades
Image/David Benbennick via Wikimedia Commons The United States has seen an increase in pertussis cases in 2012 with provisional counts nearing 40,000 for the year. Many individual states have seen record numbers More...