Increase in prevalence of Pneumocystis carinii mutations in patients with AIDS and P. carinii pneumonia, in the United States and China.

Abstract excerpt

This study of Pneumocystis carinii dihydropteroate synthase (DHPS) mutations in patients with AIDS who have P. carinii pneumonia compares the change in the prevalence of such mutations in the United States, where sulfa-drug prophylaxis is widespread, to that in China, where it is infrequent. The DHPS gene from 145 US patients presenting during 1983-2001 and from 15 Chinese patients presenting during 1998-2001 was...

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