Although initial
than 60 years of age [18276], it soon became
rate for older patient^ ^'•'•'
angioplasty. The 89.9% average primary success
'^"r?«.V"«i'lJT9fi8
remains detectable for over 60 years and, in the absence of symptoms, is a useful indicator of past infection. After a
primary infection the IgG reaches