AP Biology

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In 1918 a particularly virulent strain of influenza (an RNA virus) wiped out millions of health humans in the prime of their lives. Epidemiologists fear that such a super bug could revisit us in the future. And thus there was quest to find samples of the virus, and make a vaccine against it.

a)Explain why the fears of a recurrence are real.
b)Explain how they could find, isolate and make a vaccine for the 1918 strain.
c)Explain how the vaccine can help produce a humoral immunity.

Please help :)

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