Illustration: Drawing with word(s)/letter(s)/number(s) in Block form Attorney: Roger H. Bora Thompson Hine LLP 10050 Innovation Drive Suite 400, Miamisburg, OH 45342 Employee: Timothy J Finnegan
Tonsillitis is most often caused by common viruses, but bacterial infections can also be the cause.The most common bacterium causing tonsillitis is Streptococcus pyogenes (group A streptococcus), the bacterium that causes strep throat. Other strains of strep and other bacteria also may cause tonsillitis.onsillitis is most often caused by common viruses, but bacterial infections can also be the cause.
The herpes simplex virus, Streptococcus pyogenes (GABHS), Epstein-Barr virus (EBV), cytomegalovirus, adenovirus, and the measles virus cause most cases of acute pharyngitis and acute tonsillitis. Bacteria cause 15-30 percent of pharyngotonsillitis cases; GABHS is the cause for most bacterial tonsillitis.