Tara and Gavin Hills , from Canada , stopped vaccinating their children six years ago after losing trust in the health care system . All seven Hills kids , last week , came down with whooping cough between ages of 10 months and 10 years . Tara Hills did an about-face in the wake of her family 's health crisis , writing a blog post about how her stance on vaccination has changed .
Tara and Gavin Hills , from Canada , stopped vaccinating their children six years ago after losing trust in the health care system . All seven Hills kids , between ages of 10 months and 10 years , came down with whooping cough last week . Tara Hills did an about-face in the wake of her family 's health crisis , writing a blog post about how her stance on vaccination has changed .