sharon lee runs family health care. last year, she opened a pre- exposure prophylaxis or prep clinic (sot: dr. sharon lee,e, family heaeah care) "one of my patients who has hiv me in and was talking about some friends f his who did not have hiv and wanted to use the preparation as a protection from hiv." she prescribed a new medication called truvada. (sot: dr. dana hawknson / infectious disease specialist, university of kansas hospital) "it consists of two different drugs which are nucleocide and nucleotide analogs, so basically that means they are similar to dna." a way to treat h-i-v. (sot: dr. dana hawkinson / infectious disease specialist, university of kansas hospital) t's like a defectiveveart basically and it stops the replication of the virus." in a new study, none of the more than 600 high-risk patients taking truvada contracted the virus. but there are side effects. (sot: dr. dana hawkinson / infectious disease specialist, university of kansas hospital) "renal disfunction. so it can cause your kidneys not to wowo properly." just this week, the f-d-a approved genvoya, a new drug that