These deaths are the first whooping cough-related deaths in Kentucky since 2018.
There have been 130 cases of whooping cough reported in Kentucky this year. Eight of those cases have required hospitalization.
If untreated, the coughing fits can cause vomiting, exhaustion and difficulty breathing.
Doctors said the vaccine lessens the severity and will likely keep someone out of the hospital.
Early signs of whooping cough include a runny nose, low-grade fever and coughing.
A student at Kammerer Middle School has been diagnosed with whooping cough, according to an advisory obtained Friday by WDRB News.
The news comes after health officials say whooping cough cases have increased in Louisville.
Whooping cough, also referred to as pertussis, is a highly contagious respiratory tract infection.
The Lincoln Trail District Health Department is monitoring the recent uptick of cases that have mostly been confirmed in high school-aged students.
It's a bacterial infection that can cause serious illness, and can even be life-threatening.