- Highly contagious whooping cough rises in California to highest levels in years Los Angeles Times
- CDC warning: Alarming rise of whooping cough cases in Ohio NBC4 WCMH-TV
- Worcester area seeing increase in walking pneumonia and whooping cough. What to know Worcester Telegram
- More than 200 cases of whooping cough reported in Arkansas KARK
- Kent County Health Department warns of increasing whooping cough cases FOX 17 West Michigan News
