5e: Immune Evasion

Question 1

Endoparasites mimic host antigens to…

Answer 1

evade detection and modify host immune response to reduce their chances of destruction

Question 2

Antigenic variation in some parasites allows them to…

Answer 2

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

Question 3

Some viruses escape immune surveillance by [1], existing in an inactive state known as [2]

Answer 3

1. integrating their genome into host genomes
2. Latency

(Virus becomes active again when favourable conditions arise)