{TAIL ~ Human immunodeficiency virus} comprising reverse transcriptase inactivated by photoinactivation used to evoke {HEAD ~ an immune response} 
{ TAIL ~ Human immunodeficiency virus } comprising reverse transcriptase inactivated by photoinactivation used to evoke { HEAD ~ an immune response }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD