Pregunta:
How antigenic variation helps pathogens evade immune systems
Autor: Eva K 3sq0Respuesta:
- When infected a 2nd time by same pathogen - Memory cells will not recognise different antigens - Carry out primary response again, takes time, get ill
0 / 5 (0 calificaciones)
1 answer(s) in total
Autor
Eva K 3sq0