vzv could be isolated from mononuclear blood cells of varicella patients shortly before or after appearance of rashes , whereas no virus could be detected in 27 vaccinees 4-14 days after vaccination , suggesting that replication of the vaccine virus in susceptible organs and blood cells in humans is far less than that of wild-type viruses , but sufficient to induce vzv immunity .
C0042776
viruses
C0042338
vzv