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Helen [10]
3 years ago
11

Adrian caught a virus while staying with his grandmother. A few years later, his mother and sister got the same virus. This viru

s could spread through touch and direct contact. However, Adrian did not contract the virus this time, even though he was living with his mother and sister. Why did he not get sick? Adrian’s adaptive immunity remembered the antigens from the virus and gave him lifelong immunity to it. Adrian’s innate
Biology
1 answer:
soldier1979 [14.2K]3 years ago
8 0

Answer:

Adrian's adaptive immune system remembered the antigens from the virus. so he becomes immune to it.

Explanation:

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