Whooping cough cases are rising again in the US - AP News

1. Whooping cough cases are rising again in the US  AP News
2. Whooping cough cases surge as vaccine rates fall  The Washington Post
3. Whooping cough cases have doubled in a year, CDC data shows  ABC News
4. 'Fighting to breathe': Whooping cough surges as vaccination rates drop  NBC News
5. Whooping Cough on Track for Worst US Outbreak in 70 Years  Bloomberg.com