People often wonder, is bronchitis contagious or not. There are two types of Bronchitis, acute and chronic. Acute Bronchitis is usually contagious, whereas, Chronic Bronchitis is usually not contagious. You can reduce your risk for infectious bronchitis by getting an annual flu shot and keeping your hands clean. If you have a cold or the flu, limit your contact with other people, and cover your mouth with your arm when you cough.