(HealthDay News) -- A cough is the body's reaction to an irritant in the airways.
The U.S. National Heart Lung and Blood Institute mentions possible cough triggers:
New Flu Variant Could Bring Another Severe U.S. Season
Nasal Spray Flu Vaccine Now Available for At-Home Use
They Spent Hours In A Room Full Of Flu Patients And Walked Out Healthy — Here's How
Childhood Flu Shots Prevent Millions of Cases, Study Finds
The Flu Vaccine Can Lower Your Risk Of Heart Attack And Stroke — Even If You Wind Up Infected