The disease “chronic pharyngitis” means chronic inflammation of the pharynx, in which there is discomfort in the throat, a feeling of muscle tension in the lower part of the neck and severe pain in the throat. Symptoms persist for more than a year. Treatment for this disease can be difficult as infection can occur and improve periodically. One of the most common bacteria that causes this disease is group A streptococcal infection, alpha-hemolytic streptococcus. Until recently, it was believed that the main pathogens of acute pharyngitis were H. influenzae and N. Streptococcus. However, the study published