Varicella Vaccine

Also known as:  Chicken Pox Vaccine;  Varivax

Varicella Vaccine is a type of Vaccine used to prevent Chickenpox.

 Varivax is a preparation of the Oka/Merck strain of live, attenuated Varicella Virus.  The virus was initially obtained from a child with natural Chickenpox, then introduced into human embryonic lung cell cultures adapted to and propagated in embryonic guinea pig cell cultures, and finally propagated in human diploid cell cultures (WI 38).  Further passage of the Virus for Varicella Vaccine was performed at Merck Rreferences Laboratories in human diploid cell cultures (MRC-5) that were free of adventitious agents.