MEDICINE
INFECTIOUS DISEASES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Smallpox has been eradicated, but not malaria or cholera.Which statements correctly explain this?1 Cholera pathogens in the intestines are not destroyed by antibiotics.2 Plasmodium antigens change during the life cycle.3 Smallpox antigens remain stable.4 Vaccines only work against viruses.
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1, 2 and 3
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1, 2 and 4
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1, 3 and 4
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2, 3 and 4
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Explanation:
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