<prompt> Virus lacking hemagglutinin and neuraminidase but having membrane fusion protein is -RSVCMVHSVEBV  <response>: RSV differs from another paramyxovirus in not possessing hemaglutinin activity it also does not have neuraminidase or hemolytic activity REF:ANANTHANARYANAN TTEXTBOOKOF MICROBIOLOGY 9EDITION PGNO.510 