(HealthDay News) -- Bronchitis is typically caused by a respiratory virus, and much less frequently, by a bacterial infection, the American Lung Association says.
Risk factors include having close contact with someone who has bronchitis, failure to get age-appropriate vaccinations, and exposure to tobacco smoke, fumes, dust and air pollution.
The American Lung Association says symptoms of bronchitis typically include:
Wildfire Smoke Alters Immune System, Study Says
COVID-19 Linked To Asthma, Seasonal Allergies
Severe Asthma Often Comes With Other Serious Health Problems
Racial Gap Exists For Asthma Inhaler Use
Night Shift Associated With Asthma Risk In Women
UV Air Filters Cut Airborne Asthma Triggers, Study Finds
Smoking, Vaping Weed Increases Risk Of Asthma Attacks Among Young Adults, Study Finds
Dogs (But Not Cats) May Protect Against Childhood Asthma, Study Says