Long-term protection against bovine leukaemia virus replication in cattle and sheep.

Last updated on 23-8-2019 by Anonymous (non vérifié)

Peer reviewed scientific article



In this report, we have evaluated the ability of two different types of live attenuated bovine leukaemia virus (BLV) variants (BLV DX and BLV 6073) to protect cattle and sheep against a heterologous wild-type BLV challenge. Four months after challenge, the protection of the vaccinated animals was effective in contrast to unvaccinated controls. However, long-term protection (18 months after challenge) was observed only in six out of seven animals, one of the vaccinated cattle being infected 12 months after challenge. A second prospective approach investigated the injection of naked plasmid D…

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