What surgical procedure was performed on more than half of all children in the 1930s through the 1950s in the belief that the operation prevented rheumatic fever?

A tonsillectomy is a surgical procedure performed on more than half of all children in the 1930s through the 1950s in the belief that the operation prevented rheumatic fever. It is a surgical procedure to remove tonsils. By the early 20th century the popularity of tonsil disease was recognized and appreciated. It is most commonly for children, tonsilitis is the infection of the tonsils that give you a sore throat.