Understanding the different types of bronchitis can also be helpful in understanding when the illness is and isn't contagious. Chronic bronchitis caused by environmental irritants, for instance ...

Infectious Bronchitis (IB) is a highly contagious viral disease that significantly impacts poultry production worldwide.

Acute bronchitis is inflammation of the bronchial tubes, which carry air to and from the lungs. It’s usually caused by a viral infection and is contagious, meaning it can be passed from person ...

Acute (short-term) bronchitis develops slowly over a few days and may resolve on its own within 2 weeks. During this time, symptoms usually ease gradually until they subside completely.