Immunization with heat-inactivated Staphylococcus aureus induced an antibody response mediated by IgG1 and IgG2 in patients with recurrent tonsillitis.

Currently Staphylococcus aureus is the predominant pathogen isolated from the respiratory tract of patients with recurrent tonsillitis. Because of an increase in multi-drug resistant strains of S. aureus, there is a pressing need for effective treatments and preventive approaches to reduce the risk of invasive and life-threatening infections.