Subacute thyroiditis (de Quervains) due to influenza A: Presenting as fever of unknown origin (FUO)
Heart & Lung; The Journal of Acute and Critical Care, 07/27/2012
Cunha BA et al. – Subacute (de Quervain’s) thyroiditis is a rare but important cause of fever of unknown origin. Most cases of subacute thyroiditis are caused by a variety of viruses, for example, Coxsackie, cytomegalovirus, Epstein–Barr virus, and adenovirus. Influenza immunization or infection may cause subacute thyroiditis.