Your cough won't quit? You're not alone
Persistent viral strains, coupled with immune systems that may be out of practice, are contributing to lingering symptoms this cold and flu season, experts say.
![Your cough won't quit? You're not alone](https://i.cbc.ca/1.7046418.1701451693!/fileImage/httpImage/image.jpg_gen/derivatives/16x9_620/shutterstock-medium-file.jpg)
![Close Up Of Woman Suffering With Cough; Shutterstock ID 702337306 Close Up Of Woman Suffering With Cough](https://i.cbc.ca/1.7046418.1701451693!/fileImage/httpImage/image.jpg_gen/derivatives/16x9_620/shutterstock-medium-file.jpg)
Persistent viral strains, coupled with immune systems that may be out of practice, are contributing to lingering symptoms this cold and flu season, experts say.