to gain an understanding of the mechanism ( s ) by which sendai virus generates a persistent infection , the expression of the hemagglutinin-neuraminidase ( hn ) and fusion ( fo ) glycoproteins at the surfaces of bhk-21 cells infected with standard virus , a mixture of standard and defective interfering ( di ) particles ( mixed virus infection ) , and during persistent infection was investigated .
C2985502
hemagglutinin-neuraminidase
C0042776
virus