So rheumatic heart disease is a result of repeated streptococcal infections.

所以风湿性心脏病是反复的链球菌感染的结果。

A year later, a woman with streptococcal septicaemia was successfully treated with penicillin in the US.

年后，美国成功霉素疗了有链球菌败血症的女性。

According to the Encyclopedia of Infectious Diseases, Rheumatic Fever only afflicts about three percent of streptococcal infections, but it is more common in young children between the ages of 5 to 14.

根据《传染病百科全书》，风湿热只会折磨大约3%的链球菌感染，在5到14岁的儿童中更常见。