In addition, a greater immune response, as measured by {HEAD ~ antibody production}, is achieved using {TAIL ~ a controlled release vaccine} 
In addition , a greater immune response , as measured by { HEAD ~ antibody production } , is achieved using { TAIL ~ a controlled release vaccine }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL