Catarrhal lymphadenitis (l. catarrhalis) is an inflammation of the lymph nodes caused by catarrhal infection.
Causes
The main cause of the development of catarrhal lymphadenitis is infection of the lymph nodes with viruses or bacteria that cause catarrh of the upper respiratory tract. Most often these are rhinoviruses, adenoviruses, influenza and parainfluenza viruses,