Immune evasion Flashcards
1
Q
How have parasites evolved/
A
They have found many ways to evade the immune syetem
2
Q
How do endoparasites evade detection
A
They mimic host antigens and modify host immune response to reduce their chances of destruction
3
Q
What does antigen variation allow?
A
Allows them to change between different antigens during the course of infection of a host. It may also allow re-infection of the same host with the new variant.
4
Q
How do some viruses escape surveillance
A
They integrate their genome into host genomes, existing in an inactive state known as latency
5
Q
How do viruses become active again
A
When favourable conditions arise.