One mom 'paid the ultimate price' when her child died of whooping cough. She wants to spare others

Callie Grace was born on Christmas Eve 2009 after Katie Van Tornhout and her husband tried for years for a baby. But when Callie turned a month old, she began to cough, after catching whooping cough. (AP video/Shelby Lum) Subscribe: http://smarturl.it/AssociatedPress Read more: https://apnews.com​ This video may be available for archive licensing via https://newsroom.ap.org/home