A child exposed to cowpox becomes immune to smallpox. This is an example of... O Cross-protection due to immunological specificity O Allergy response O Delayed hypersensitivity O Opsonization
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This is a classic example of cross-immunity, where immunity to one pathogen confers protection against another, usually related, pathogen. Step 2: Let's analyze the given options: - **Cross-protection due to immunological specificity:** This option directly Show more…
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Shaiju T.
We now know that cowpox and smallpox have similar antigens. How does this fact explain why exposure to cowpox enables a person to develop immunity to smallpox? The high variability of cowpox antigens trains the immune system to recognize antigens of many viruses. Memory cells created in the adaptive immune response to cowpox recognize smallpox antigens due to their similarity. The innate immune response to cowpox leads to smallpox immunity due to their similar antigens.
Adi S.
Fill in the Blank In the practice of ______ , scabs from smallpox victims were used to immunize susceptible individuals against smallpox.
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