Changes

*FeLV-C which formed from the spontaneous mutation of FeLV-A

*FeLV-C which formed from the spontaneous mutation of FeLV-A

The virus replicates in the oropharyngeal lymphoid tissue causing a viraemia (virus circulating in the bloodstream) which then spreads to the systemic lymphoid tissue.

The virus replicates in the oropharyngeal lymphoid tissue causing a viraemia (the virus circulates in the bloodstream) which then spreads to the systemic lymphoid tissue.

==Pathogenesis==

==Pathogenesis==