The present invention provides an attenuated virus which is derived from Modified Vaccinia Ankara virus and which is characterized by the loss of {HEAD ~ its capability} to reproductively replicate in {TAIL ~ human cell lines} 
to reproductively replicate in
The present invention provides an attenuated virus which is derived from Modified Vaccinia Ankara virus and which is characterized by the loss of { HEAD ~ its capability } to reproductively replicate in { TAIL ~ human cell lines }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL