In North Carolina, 10 Vaccinated Kids Get Whooping Cough

Of the 10 cases recently reported, all had been vaccinated against it. Yet the main stream media repeat the line “The best way to prevent whooping cough is to get vaccinated”. Excuse me? If all 10 cases who got it were vaccinated, wouldn’t it be more logical to say to avoid it, don’t get vaccinated?
https://vaxxter.com/10-vaccinated-kids-get-pertussis-in-north-carolina/