Evidence of establishment of a quiescent and persistent infection comes from assays demonstrating that cells survive {TAIL ~ the infection}, a nonproductive viral state is established in the majority of cultures, and cells support {HEAD ~ spontaneous and inducible virus production} 
Evidence of establishment of a quiescent and persistent infection comes from assays demonstrating that cells survive { TAIL ~ the infection } , a nonproductive viral state is established in the majority of cultures , and cells support { HEAD ~ spontaneous and inducible virus production }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD