Tonsillitis Due to Streptococcus pyogenes
Tonsillitis caused by Streptococcus pyogenes, a Group A β-hemolytic streptococcus (GAS), remains one of the most prevalent bacterial causes of acute pharyngotonsillitis. This gram-positive coccus…
Tonsillitis Due to Haemophilus influenzae
Haemophilus influenzae is a Gram-negative coccobacillus commonly found in the upper respiratory tract. Though traditionally associated with pneumonia and meningitis, it can also colonize the…