Whooping cough cases up more than 340% over this time last year Fox News800+ cases of whooping cough in WA, 600+ in OR Fox 12 OregonWhooping cough, measles spreading at fastest rate in years FOX 9 Minneapolis-St. PaulWorst whooping cough outbreak in a decade has infected thousands KUOW News and InformationWhooping cough cases worry Clark County officials Axios