Article
Study of the genetic stability of measles virus CAM-70 vaccine strain after serial passages in chicken embryo fibroblasts primary cultures.
Virus genes - 1 Feb 2008
Borges Maria Beatriz, Caride Elena, Jabor Alfredo V, Malachias José Marcus N, Freire Marcos S, Homma Akira, Galler Ricardo
Abstract excerpt
To evaluate the genetic stability of the CAM-70 measles vaccine strain we have performed 10 serial passages of the seed lot virus FMS-7 in chicken embryo fibroblasts primary cultures (CEF) under production conditions. The nucleotide sequences of the seed lot virus, the virus from a vaccine vial (third passage) and from the 10th passage were determined and compared with each other and with sequences from other...
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