Date | November 2017 | Marks available | 1 | Reference code | 17N.1.HL.TZ0.37 |
Level | Higher level | Paper | Paper 1 | Time zone | TZ0 |
Command term | Identify | Question number | 37 | Adapted from | N/A |
Question
What forms the basis of immunity after vaccination?
Markscheme
D
Examiners report
[N/A]