An advantage of the invention is that it provides for detection of {TAIL ~ BK virus} while avoiding detection of {HEAD ~ viruses} that are closely related genetically 
An advantage of the invention is that it provides for detection of { TAIL ~ BK virus } while avoiding detection of { HEAD ~ viruses } that are closely related genetically
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH