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Question 17N.1.HL.TZ0.37

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Date November 2017 Marks available [Maximum mark: 1] Reference code 17N.1.HL.TZ0.37
Level HL Paper 1 Time zone TZ0
Command term Identify Question number 37 Adapted from N/A
37.
[Maximum mark: 1]
17N.1.HL.TZ0.37

What forms the basis of immunity after vaccination?

[1]

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D

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