If I give my cold to my brother why can’t he give it back to me? 4.27K viewsJanuary 3, 2024 Question91.27K May 26, 2019 0 Comments Why do I become immune to it? How does contagiousness work anyways? In: Biology 2 Answers ActiveNewestOldest Anonymous Posted May 26, 2019 0 Comments Because your body makes memory cells that remember the cold virus you had.. so the next time you are exposed to it your body is very good at quickly eliminating the virus before it can get you sick. You are viewing 1 out of 2 answers, click here to view all answers. Register or Login
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