Sep 27, · Tonsillitis is more common in children, but adults can also develop the condition. If you develop tonsillitis, a viral infection is the most likely culprit, but it could also be caused by a Author: Julie Marks. Jun 01, · Viruses are the most common cause of tonsillitis in adults and children, being responsible for up to 70% of cases, according to the American Academy of Otolaryngology — Head and Neck xfuckx.xyz Author: Danielle Dresden.
Oct 10, · What Causes Adult Tonsillitis? Tonsillitis is caused by either a viral or bacterial infection. The condition can be caught by breathing into infected viral or bacterial droplets, which can be expelled from an infected person via a sneeze or a caught. It is also possible for other methods of contact to spread the infection.